Home / 2,318.10-3,478.66-1,003.13

Finding the Fourth Proportional to 2,318.10, 3,478.66 and 1,003.13

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Solution

The fourth proportional to 2,318.10, 3,478.66 and 1,003.13 is: 1,505.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.10 : 3,478.66 = 1,003.13 : x
  2. Step 2: Convert to fraction form
    2,318.10/3,478.66 = 1,003.13/x
  3. Step 3: Cross multiply
    2,318.10x = 3,478.66 × 1,003.13
  4. Step 4: Simplify right side
    2,318.10x = 3,489,551.89
  5. Step 5: Solve for x
    x = 3,489,551.89/2,318.10
  6. Step 6: Final answer
    x = 1,505.35

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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.