Home / 3,737.66-5,156.61-2,479.32

Finding the Fourth Proportional to 3,737.66, 5,156.61 and 2,479.32

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Solution

The fourth proportional to 3,737.66, 5,156.61 and 2,479.32 is: 3,420.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.66 : 5,156.61 = 2,479.32 : x
  2. Step 2: Convert to fraction form
    3,737.66/5,156.61 = 2,479.32/x
  3. Step 3: Cross multiply
    3,737.66x = 5,156.61 × 2,479.32
  4. Step 4: Simplify right side
    3,737.66x = 12,784,886.31
  5. Step 5: Solve for x
    x = 12,784,886.31/3,737.66
  6. Step 6: Final answer
    x = 3,420.56

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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.