Home / 1,780.52-2,664.30-1,132.52

Finding the Fourth Proportional to 1,780.52, 2,664.30 and 1,132.52

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Solution

The fourth proportional to 1,780.52, 2,664.30 and 1,132.52 is: 1,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780.52 : 2,664.30 = 1,132.52 : x
  2. Step 2: Convert to fraction form
    1,780.52/2,664.30 = 1,132.52/x
  3. Step 3: Cross multiply
    1,780.52x = 2,664.30 × 1,132.52
  4. Step 4: Simplify right side
    1,780.52x = 3,017,373.04
  5. Step 5: Solve for x
    x = 3,017,373.04/1,780.52
  6. Step 6: Final answer
    x = 1,694.66

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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.