Home / 3,081.36-4,252.30-1,684.14

Finding the Fourth Proportional to 3,081.36, 4,252.30 and 1,684.14

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Solution

The fourth proportional to 3,081.36, 4,252.30 and 1,684.14 is: 2,324.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.36 : 4,252.30 = 1,684.14 : x
  2. Step 2: Convert to fraction form
    3,081.36/4,252.30 = 1,684.14/x
  3. Step 3: Cross multiply
    3,081.36x = 4,252.30 × 1,684.14
  4. Step 4: Simplify right side
    3,081.36x = 7,161,468.52
  5. Step 5: Solve for x
    x = 7,161,468.52/3,081.36
  6. Step 6: Final answer
    x = 2,324.13

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,082.36, 4,253.68 and 1,685.14
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.