Home / 3,149.12-4,724.09-1,040.04

Finding the Fourth Proportional to 3,149.12, 4,724.09 and 1,040.04

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Solution

The fourth proportional to 3,149.12, 4,724.09 and 1,040.04 is: 1,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.12 : 4,724.09 = 1,040.04 : x
  2. Step 2: Convert to fraction form
    3,149.12/4,724.09 = 1,040.04/x
  3. Step 3: Cross multiply
    3,149.12x = 4,724.09 × 1,040.04
  4. Step 4: Simplify right side
    3,149.12x = 4,913,237.36
  5. Step 5: Solve for x
    x = 4,913,237.36/3,149.12
  6. Step 6: Final answer
    x = 1,560.20

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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.