Home / 3,807.28-5,251.80-2,462.28

Finding the Fourth Proportional to 3,807.28, 5,251.80 and 2,462.28

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Solution

The fourth proportional to 3,807.28, 5,251.80 and 2,462.28 is: 3,396.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.28 : 5,251.80 = 2,462.28 : x
  2. Step 2: Convert to fraction form
    3,807.28/5,251.80 = 2,462.28/x
  3. Step 3: Cross multiply
    3,807.28x = 5,251.80 × 2,462.28
  4. Step 4: Simplify right side
    3,807.28x = 12,931,402.10
  5. Step 5: Solve for x
    x = 12,931,402.10/3,807.28
  6. Step 6: Final answer
    x = 3,396.49

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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.