Home / 3,234.47-4,851.99-1,385.16

Finding the Fourth Proportional to 3,234.47, 4,851.99 and 1,385.16

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Solution

The fourth proportional to 3,234.47, 4,851.99 and 1,385.16 is: 2,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234.47 : 4,851.99 = 1,385.16 : x
  2. Step 2: Convert to fraction form
    3,234.47/4,851.99 = 1,385.16/x
  3. Step 3: Cross multiply
    3,234.47x = 4,851.99 × 1,385.16
  4. Step 4: Simplify right side
    3,234.47x = 6,720,782.47
  5. Step 5: Solve for x
    x = 6,720,782.47/3,234.47
  6. Step 6: Final answer
    x = 2,077.87

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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.