Home / 3,177.90-4,766.85-1,330.29

Finding the Fourth Proportional to 3,177.90, 4,766.85 and 1,330.29

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Solution

The fourth proportional to 3,177.90, 4,766.85 and 1,330.29 is: 1,995.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.90 : 4,766.85 = 1,330.29 : x
  2. Step 2: Convert to fraction form
    3,177.90/4,766.85 = 1,330.29/x
  3. Step 3: Cross multiply
    3,177.90x = 4,766.85 × 1,330.29
  4. Step 4: Simplify right side
    3,177.90x = 6,341,292.89
  5. Step 5: Solve for x
    x = 6,341,292.89/3,177.90
  6. Step 6: Final answer
    x = 1,995.44

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1.5x scale

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.