Home / 3,370.70-5,061.45-2,279.90

Finding the Fourth Proportional to 3,370.70, 5,061.45 and 2,279.90

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Solution

The fourth proportional to 3,370.70, 5,061.45 and 2,279.90 is: 3,423.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.70 : 5,061.45 = 2,279.90 : x
  2. Step 2: Convert to fraction form
    3,370.70/5,061.45 = 2,279.90/x
  3. Step 3: Cross multiply
    3,370.70x = 5,061.45 × 2,279.90
  4. Step 4: Simplify right side
    3,370.70x = 11,539,599.86
  5. Step 5: Solve for x
    x = 11,539,599.86/3,370.70
  6. Step 6: Final answer
    x = 3,423.50

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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.