Home / 3,718.10-5,140.85-3,251.27

Finding the Fourth Proportional to 3,718.10, 5,140.85 and 3,251.27

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Solution

The fourth proportional to 3,718.10, 5,140.85 and 3,251.27 is: 4,495.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.10 : 5,140.85 = 3,251.27 : x
  2. Step 2: Convert to fraction form
    3,718.10/5,140.85 = 3,251.27/x
  3. Step 3: Cross multiply
    3,718.10x = 5,140.85 × 3,251.27
  4. Step 4: Simplify right side
    3,718.10x = 16,714,249.42
  5. Step 5: Solve for x
    x = 16,714,249.42/3,718.10
  6. Step 6: Final answer
    x = 4,495.38

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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.