Home / 3,132.34-4,700.79-1,488.89

Finding the Fourth Proportional to 3,132.34, 4,700.79 and 1,488.89

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Solution

The fourth proportional to 3,132.34, 4,700.79 and 1,488.89 is: 2,234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.34 : 4,700.79 = 1,488.89 : x
  2. Step 2: Convert to fraction form
    3,132.34/4,700.79 = 1,488.89/x
  3. Step 3: Cross multiply
    3,132.34x = 4,700.79 × 1,488.89
  4. Step 4: Simplify right side
    3,132.34x = 6,998,970.98
  5. Step 5: Solve for x
    x = 6,998,970.98/3,132.34
  6. Step 6: Final answer
    x = 2,234.42

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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.