Home / 2,391.24-3,587.58-747.96

Finding the Fourth Proportional to 2,391.24, 3,587.58 and 747.96

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Solution

The fourth proportional to 2,391.24, 3,587.58 and 747.96 is: 1,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.24 : 3,587.58 = 747.96 : x
  2. Step 2: Convert to fraction form
    2,391.24/3,587.58 = 747.96/x
  3. Step 3: Cross multiply
    2,391.24x = 3,587.58 × 747.96
  4. Step 4: Simplify right side
    2,391.24x = 2,683,366.34
  5. Step 5: Solve for x
    x = 2,683,366.34/2,391.24
  6. Step 6: Final answer
    x = 1,122.17

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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.