Home / 1,564.38-2,345.58-1,332.36

Finding the Fourth Proportional to 1,564.38, 2,345.58 and 1,332.36

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Solution

The fourth proportional to 1,564.38, 2,345.58 and 1,332.36 is: 1,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564.38 : 2,345.58 = 1,332.36 : x
  2. Step 2: Convert to fraction form
    1,564.38/2,345.58 = 1,332.36/x
  3. Step 3: Cross multiply
    1,564.38x = 2,345.58 × 1,332.36
  4. Step 4: Simplify right side
    1,564.38x = 3,125,156.97
  5. Step 5: Solve for x
    x = 3,125,156.97/1,564.38
  6. Step 6: Final answer
    x = 1,997.70

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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.