Home / 3,031.86-4,541.13-2,505.90

Finding the Fourth Proportional to 3,031.86, 4,541.13 and 2,505.90

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Solution

The fourth proportional to 3,031.86, 4,541.13 and 2,505.90 is: 3,753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.86 : 4,541.13 = 2,505.90 : x
  2. Step 2: Convert to fraction form
    3,031.86/4,541.13 = 2,505.90/x
  3. Step 3: Cross multiply
    3,031.86x = 4,541.13 × 2,505.90
  4. Step 4: Simplify right side
    3,031.86x = 11,379,617.67
  5. Step 5: Solve for x
    x = 11,379,617.67/3,031.86
  6. Step 6: Final answer
    x = 3,753.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.