Home / 1,649.52-2,472.36-1,631.28

Finding the Fourth Proportional to 1,649.52, 2,472.36 and 1,631.28

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Solution

The fourth proportional to 1,649.52, 2,472.36 and 1,631.28 is: 2,445.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649.52 : 2,472.36 = 1,631.28 : x
  2. Step 2: Convert to fraction form
    1,649.52/2,472.36 = 1,631.28/x
  3. Step 3: Cross multiply
    1,649.52x = 2,472.36 × 1,631.28
  4. Step 4: Simplify right side
    1,649.52x = 4,033,111.42
  5. Step 5: Solve for x
    x = 4,033,111.42/1,649.52
  6. Step 6: Final answer
    x = 2,445.02

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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.