Home / 2,931.68-4,398.48-1,177.53

Finding the Fourth Proportional to 2,931.68, 4,398.48 and 1,177.53

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Solution

The fourth proportional to 2,931.68, 4,398.48 and 1,177.53 is: 1,766.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.68 : 4,398.48 = 1,177.53 : x
  2. Step 2: Convert to fraction form
    2,931.68/4,398.48 = 1,177.53/x
  3. Step 3: Cross multiply
    2,931.68x = 4,398.48 × 1,177.53
  4. Step 4: Simplify right side
    2,931.68x = 5,179,342.15
  5. Step 5: Solve for x
    x = 5,179,342.15/2,931.68
  6. Step 6: Final answer
    x = 1,766.68

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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.