Home / 1,631.20-2,250.16-1,010.08

Finding the Fourth Proportional to 1,631.20, 2,250.16 and 1,010.08

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Solution

The fourth proportional to 1,631.20, 2,250.16 and 1,010.08 is: 1,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.20 : 2,250.16 = 1,010.08 : x
  2. Step 2: Convert to fraction form
    1,631.20/2,250.16 = 1,010.08/x
  3. Step 3: Cross multiply
    1,631.20x = 2,250.16 × 1,010.08
  4. Step 4: Simplify right side
    1,631.20x = 2,272,841.61
  5. Step 5: Solve for x
    x = 2,272,841.61/1,631.20
  6. Step 6: Final answer
    x = 1,393.36

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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.