Home / 3,729.53-5,144.73-2,312.74

Finding the Fourth Proportional to 3,729.53, 5,144.73 and 2,312.74

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Solution

The fourth proportional to 3,729.53, 5,144.73 and 2,312.74 is: 3,190.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.53 : 5,144.73 = 2,312.74 : x
  2. Step 2: Convert to fraction form
    3,729.53/5,144.73 = 2,312.74/x
  3. Step 3: Cross multiply
    3,729.53x = 5,144.73 × 2,312.74
  4. Step 4: Simplify right side
    3,729.53x = 11,898,422.86
  5. Step 5: Solve for x
    x = 11,898,422.86/3,729.53
  6. Step 6: Final answer
    x = 3,190.33

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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.