Home / 3,082.52-4,253.94-1,685.36

Finding the Fourth Proportional to 3,082.52, 4,253.94 and 1,685.36

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Solution

The fourth proportional to 3,082.52, 4,253.94 and 1,685.36 is: 2,325.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.52 : 4,253.94 = 1,685.36 : x
  2. Step 2: Convert to fraction form
    3,082.52/4,253.94 = 1,685.36/x
  3. Step 3: Cross multiply
    3,082.52x = 4,253.94 × 1,685.36
  4. Step 4: Simplify right side
    3,082.52x = 7,169,420.32
  5. Step 5: Solve for x
    x = 7,169,420.32/3,082.52
  6. Step 6: Final answer
    x = 2,325.83

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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.