Home / 3,359.70-5,039.55-2,123.10

Finding the Fourth Proportional to 3,359.70, 5,039.55 and 2,123.10

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Solution

The fourth proportional to 3,359.70, 5,039.55 and 2,123.10 is: 3,184.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.70 : 5,039.55 = 2,123.10 : x
  2. Step 2: Convert to fraction form
    3,359.70/5,039.55 = 2,123.10/x
  3. Step 3: Cross multiply
    3,359.70x = 5,039.55 × 2,123.10
  4. Step 4: Simplify right side
    3,359.70x = 10,699,468.61
  5. Step 5: Solve for x
    x = 10,699,468.61/3,359.70
  6. Step 6: Final answer
    x = 3,184.65

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Similar ratio
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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.