Home / 2,179.52-3,262.08-1,358.40

Finding the Fourth Proportional to 2,179.52, 3,262.08 and 1,358.40

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Solution

The fourth proportional to 2,179.52, 3,262.08 and 1,358.40 is: 2,033.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.52 : 3,262.08 = 1,358.40 : x
  2. Step 2: Convert to fraction form
    2,179.52/3,262.08 = 1,358.40/x
  3. Step 3: Cross multiply
    2,179.52x = 3,262.08 × 1,358.40
  4. Step 4: Simplify right side
    2,179.52x = 4,431,209.47
  5. Step 5: Solve for x
    x = 4,431,209.47/2,179.52
  6. Step 6: Final answer
    x = 2,033.11

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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.