Home / 3,470.34-5,206.17-1,279.24

Finding the Fourth Proportional to 3,470.34, 5,206.17 and 1,279.24

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Solution

The fourth proportional to 3,470.34, 5,206.17 and 1,279.24 is: 1,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.34 : 5,206.17 = 1,279.24 : x
  2. Step 2: Convert to fraction form
    3,470.34/5,206.17 = 1,279.24/x
  3. Step 3: Cross multiply
    3,470.34x = 5,206.17 × 1,279.24
  4. Step 4: Simplify right side
    3,470.34x = 6,659,961.98
  5. Step 5: Solve for x
    x = 6,659,961.98/3,470.34
  6. Step 6: Final answer
    x = 1,919.11

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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.