Home / 3,189.39-4,766.98-2,876.32

Finding the Fourth Proportional to 3,189.39, 4,766.98 and 2,876.32

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Solution

The fourth proportional to 3,189.39, 4,766.98 and 2,876.32 is: 4,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.39 : 4,766.98 = 2,876.32 : x
  2. Step 2: Convert to fraction form
    3,189.39/4,766.98 = 2,876.32/x
  3. Step 3: Cross multiply
    3,189.39x = 4,766.98 × 2,876.32
  4. Step 4: Simplify right side
    3,189.39x = 13,711,359.91
  5. Step 5: Solve for x
    x = 13,711,359.91/3,189.39
  6. Step 6: Final answer
    x = 4,299.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.