Home / 1,684.19-2,317.14-1,484.12

Finding the Fourth Proportional to 1,684.19, 2,317.14 and 1,484.12

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Solution

The fourth proportional to 1,684.19, 2,317.14 and 1,484.12 is: 2,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684.19 : 2,317.14 = 1,484.12 : x
  2. Step 2: Convert to fraction form
    1,684.19/2,317.14 = 1,484.12/x
  3. Step 3: Cross multiply
    1,684.19x = 2,317.14 × 1,484.12
  4. Step 4: Simplify right side
    1,684.19x = 3,438,913.82
  5. Step 5: Solve for x
    x = 3,438,913.82/1,684.19
  6. Step 6: Final answer
    x = 2,041.88

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Half scale
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Double scale
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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.