Home / 3,727.76-5,145.44-2,401.43

Finding the Fourth Proportional to 3,727.76, 5,145.44 and 2,401.43

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Solution

The fourth proportional to 3,727.76, 5,145.44 and 2,401.43 is: 3,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.76 : 5,145.44 = 2,401.43 : x
  2. Step 2: Convert to fraction form
    3,727.76/5,145.44 = 2,401.43/x
  3. Step 3: Cross multiply
    3,727.76x = 5,145.44 × 2,401.43
  4. Step 4: Simplify right side
    3,727.76x = 12,356,376.24
  5. Step 5: Solve for x
    x = 12,356,376.24/3,727.76
  6. Step 6: Final answer
    x = 3,314.70

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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.