Home / 2,488.48-3,732.84-1,319.58

Finding the Fourth Proportional to 2,488.48, 3,732.84 and 1,319.58

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Solution

The fourth proportional to 2,488.48, 3,732.84 and 1,319.58 is: 1,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.48 : 3,732.84 = 1,319.58 : x
  2. Step 2: Convert to fraction form
    2,488.48/3,732.84 = 1,319.58/x
  3. Step 3: Cross multiply
    2,488.48x = 3,732.84 × 1,319.58
  4. Step 4: Simplify right side
    2,488.48x = 4,925,781.01
  5. Step 5: Solve for x
    x = 4,925,781.01/2,488.48
  6. Step 6: Final answer
    x = 1,979.43

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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.