Home / 1,630.38-2,445.75-534.45

Finding the Fourth Proportional to 1,630.38, 2,445.75 and 534.45

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Solution

The fourth proportional to 1,630.38, 2,445.75 and 534.45 is: 801.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.38 : 2,445.75 = 534.45 : x
  2. Step 2: Convert to fraction form
    1,630.38/2,445.75 = 534.45/x
  3. Step 3: Cross multiply
    1,630.38x = 2,445.75 × 534.45
  4. Step 4: Simplify right side
    1,630.38x = 1,307,131.09
  5. Step 5: Solve for x
    x = 1,307,131.09/1,630.38
  6. Step 6: Final answer
    x = 801.73

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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.