Home / 3,470.20-5,200.38-1,518.28

Finding the Fourth Proportional to 3,470.20, 5,200.38 and 1,518.28

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Solution

The fourth proportional to 3,470.20, 5,200.38 and 1,518.28 is: 2,275.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.20 : 5,200.38 = 1,518.28 : x
  2. Step 2: Convert to fraction form
    3,470.20/5,200.38 = 1,518.28/x
  3. Step 3: Cross multiply
    3,470.20x = 5,200.38 × 1,518.28
  4. Step 4: Simplify right side
    3,470.20x = 7,895,632.95
  5. Step 5: Solve for x
    x = 7,895,632.95/3,470.20
  6. Step 6: Final answer
    x = 2,275.27

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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.