Home / 3,359.20-5,036.40-1,508.80

Finding the Fourth Proportional to 3,359.20, 5,036.40 and 1,508.80

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Solution

The fourth proportional to 3,359.20, 5,036.40 and 1,508.80 is: 2,262.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.20 : 5,036.40 = 1,508.80 : x
  2. Step 2: Convert to fraction form
    3,359.20/5,036.40 = 1,508.80/x
  3. Step 3: Cross multiply
    3,359.20x = 5,036.40 × 1,508.80
  4. Step 4: Simplify right side
    3,359.20x = 7,598,920.32
  5. Step 5: Solve for x
    x = 7,598,920.32/3,359.20
  6. Step 6: Final answer
    x = 2,262.12

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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.