Home / 2,931.55-4,397.29-1,177.33

Finding the Fourth Proportional to 2,931.55, 4,397.29 and 1,177.33

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Solution

The fourth proportional to 2,931.55, 4,397.29 and 1,177.33 is: 1,765.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.55 : 4,397.29 = 1,177.33 : x
  2. Step 2: Convert to fraction form
    2,931.55/4,397.29 = 1,177.33/x
  3. Step 3: Cross multiply
    2,931.55x = 4,397.29 × 1,177.33
  4. Step 4: Simplify right side
    2,931.55x = 5,177,061.44
  5. Step 5: Solve for x
    x = 5,177,061.44/2,931.55
  6. Step 6: Final answer
    x = 1,765.98

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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.