Home / 2,331.14-3,496.26-771.15

Finding the Fourth Proportional to 2,331.14, 3,496.26 and 771.15

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Solution

The fourth proportional to 2,331.14, 3,496.26 and 771.15 is: 1,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.14 : 3,496.26 = 771.15 : x
  2. Step 2: Convert to fraction form
    2,331.14/3,496.26 = 771.15/x
  3. Step 3: Cross multiply
    2,331.14x = 3,496.26 × 771.15
  4. Step 4: Simplify right side
    2,331.14x = 2,696,140.90
  5. Step 5: Solve for x
    x = 2,696,140.90/2,331.14
  6. Step 6: Final answer
    x = 1,156.58

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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.