Home / 1,431.52-2,148.50-566.44

Finding the Fourth Proportional to 1,431.52, 2,148.50 and 566.44

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Solution

The fourth proportional to 1,431.52, 2,148.50 and 566.44 is: 850.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431.52 : 2,148.50 = 566.44 : x
  2. Step 2: Convert to fraction form
    1,431.52/2,148.50 = 566.44/x
  3. Step 3: Cross multiply
    1,431.52x = 2,148.50 × 566.44
  4. Step 4: Simplify right side
    1,431.52x = 1,216,996.34
  5. Step 5: Solve for x
    x = 1,216,996.34/1,431.52
  6. Step 6: Final answer
    x = 850.14

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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.