Home / 1,562.60-2,341.98-739.17

Finding the Fourth Proportional to 1,562.60, 2,341.98 and 739.17

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Solution

The fourth proportional to 1,562.60, 2,341.98 and 739.17 is: 1,107.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.60 : 2,341.98 = 739.17 : x
  2. Step 2: Convert to fraction form
    1,562.60/2,341.98 = 739.17/x
  3. Step 3: Cross multiply
    1,562.60x = 2,341.98 × 739.17
  4. Step 4: Simplify right side
    1,562.60x = 1,731,121.36
  5. Step 5: Solve for x
    x = 1,731,121.36/1,562.60
  6. Step 6: Final answer
    x = 1,107.85

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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.