Home / 1,440.39-2,160.26-562.92

Finding the Fourth Proportional to 1,440.39, 2,160.26 and 562.92

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Solution

The fourth proportional to 1,440.39, 2,160.26 and 562.92 is: 844.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440.39 : 2,160.26 = 562.92 : x
  2. Step 2: Convert to fraction form
    1,440.39/2,160.26 = 562.92/x
  3. Step 3: Cross multiply
    1,440.39x = 2,160.26 × 562.92
  4. Step 4: Simplify right side
    1,440.39x = 1,216,044.75
  5. Step 5: Solve for x
    x = 1,216,044.75/1,440.39
  6. Step 6: Final answer
    x = 844.24

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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.