Home / 3,717.87-5,127.98-3,157.46

Finding the Fourth Proportional to 3,717.87, 5,127.98 and 3,157.46

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Solution

The fourth proportional to 3,717.87, 5,127.98 and 3,157.46 is: 4,355.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.87 : 5,127.98 = 3,157.46 : x
  2. Step 2: Convert to fraction form
    3,717.87/5,127.98 = 3,157.46/x
  3. Step 3: Cross multiply
    3,717.87x = 5,127.98 × 3,157.46
  4. Step 4: Simplify right side
    3,717.87x = 16,191,350.30
  5. Step 5: Solve for x
    x = 16,191,350.30/3,717.87
  6. Step 6: Final answer
    x = 4,355.01

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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.