Home / 2,292.16-3,439.20-1,137.60

Finding the Fourth Proportional to 2,292.16, 3,439.20 and 1,137.60

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Solution

The fourth proportional to 2,292.16, 3,439.20 and 1,137.60 is: 1,706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.16 : 3,439.20 = 1,137.60 : x
  2. Step 2: Convert to fraction form
    2,292.16/3,439.20 = 1,137.60/x
  3. Step 3: Cross multiply
    2,292.16x = 3,439.20 × 1,137.60
  4. Step 4: Simplify right side
    2,292.16x = 3,912,433.92
  5. Step 5: Solve for x
    x = 3,912,433.92/2,292.16
  6. Step 6: Final answer
    x = 1,706.88

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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.