Home / 1,562.62-2,158.03-1,351.79

Finding the Fourth Proportional to 1,562.62, 2,158.03 and 1,351.79

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Solution

The fourth proportional to 1,562.62, 2,158.03 and 1,351.79 is: 1,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.62 : 2,158.03 = 1,351.79 : x
  2. Step 2: Convert to fraction form
    1,562.62/2,158.03 = 1,351.79/x
  3. Step 3: Cross multiply
    1,562.62x = 2,158.03 × 1,351.79
  4. Step 4: Simplify right side
    1,562.62x = 2,917,194.27
  5. Step 5: Solve for x
    x = 2,917,194.27/1,562.62
  6. Step 6: Final answer
    x = 1,866.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.