Home / 1,440.28-2,159.84-562.64

Finding the Fourth Proportional to 1,440.28, 2,159.84 and 562.64

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Solution

The fourth proportional to 1,440.28, 2,159.84 and 562.64 is: 843.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440.28 : 2,159.84 = 562.64 : x
  2. Step 2: Convert to fraction form
    1,440.28/2,159.84 = 562.64/x
  3. Step 3: Cross multiply
    1,440.28x = 2,159.84 × 562.64
  4. Step 4: Simplify right side
    1,440.28x = 1,215,212.38
  5. Step 5: Solve for x
    x = 1,215,212.38/1,440.28
  6. Step 6: Final answer
    x = 843.73

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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.