Home / 3,470.20-5,204.46-1,279.18

Finding the Fourth Proportional to 3,470.20, 5,204.46 and 1,279.18

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Solution

The fourth proportional to 3,470.20, 5,204.46 and 1,279.18 is: 1,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.20 : 5,204.46 = 1,279.18 : x
  2. Step 2: Convert to fraction form
    3,470.20/5,204.46 = 1,279.18/x
  3. Step 3: Cross multiply
    3,470.20x = 5,204.46 × 1,279.18
  4. Step 4: Simplify right side
    3,470.20x = 6,657,441.14
  5. Step 5: Solve for x
    x = 6,657,441.14/3,470.20
  6. Step 6: Final answer
    x = 1,918.46

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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.