Home / 3,287.44-4,932.20-1,555.12

Finding the Fourth Proportional to 3,287.44, 4,932.20 and 1,555.12

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Solution

The fourth proportional to 3,287.44, 4,932.20 and 1,555.12 is: 2,333.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.44 : 4,932.20 = 1,555.12 : x
  2. Step 2: Convert to fraction form
    3,287.44/4,932.20 = 1,555.12/x
  3. Step 3: Cross multiply
    3,287.44x = 4,932.20 × 1,555.12
  4. Step 4: Simplify right side
    3,287.44x = 7,670,162.86
  5. Step 5: Solve for x
    x = 7,670,162.86/3,287.44
  6. Step 6: Final answer
    x = 2,333.17

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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.