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Finding the Fourth Proportional to 1,932.71, 2,899.28 and 700.70

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Solution

The fourth proportional to 1,932.71, 2,899.28 and 700.70 is: 1,051.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.71 : 2,899.28 = 700.70 : x
  2. Step 2: Convert to fraction form
    1,932.71/2,899.28 = 700.70/x
  3. Step 3: Cross multiply
    1,932.71x = 2,899.28 × 700.70
  4. Step 4: Simplify right side
    1,932.71x = 2,031,512.75
  5. Step 5: Solve for x
    x = 2,031,512.75/1,932.71
  6. Step 6: Final answer
    x = 1,051.12

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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.