Home / 3,177.30-4,766.29-1,328.83

Finding the Fourth Proportional to 3,177.30, 4,766.29 and 1,328.83

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Solution

The fourth proportional to 3,177.30, 4,766.29 and 1,328.83 is: 1,993.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.30 : 4,766.29 = 1,328.83 : x
  2. Step 2: Convert to fraction form
    3,177.30/4,766.29 = 1,328.83/x
  3. Step 3: Cross multiply
    3,177.30x = 4,766.29 × 1,328.83
  4. Step 4: Simplify right side
    3,177.30x = 6,333,594.78
  5. Step 5: Solve for x
    x = 6,333,594.78/3,177.30
  6. Step 6: Final answer
    x = 1,993.39

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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.