Home / 4,182.50-5,769.80-3,519.10

Finding the Fourth Proportional to 4,182.50, 5,769.80 and 3,519.10

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Solution

The fourth proportional to 4,182.50, 5,769.80 and 3,519.10 is: 4,854.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.50 : 5,769.80 = 3,519.10 : x
  2. Step 2: Convert to fraction form
    4,182.50/5,769.80 = 3,519.10/x
  3. Step 3: Cross multiply
    4,182.50x = 5,769.80 × 3,519.10
  4. Step 4: Simplify right side
    4,182.50x = 20,304,503.18
  5. Step 5: Solve for x
    x = 20,304,503.18/4,182.50
  6. Step 6: Final answer
    x = 4,854.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.