Home / 2,403.90-3,599.33-1,247.22

Finding the Fourth Proportional to 2,403.90, 3,599.33 and 1,247.22

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Solution

The fourth proportional to 2,403.90, 3,599.33 and 1,247.22 is: 1,867.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.90 : 3,599.33 = 1,247.22 : x
  2. Step 2: Convert to fraction form
    2,403.90/3,599.33 = 1,247.22/x
  3. Step 3: Cross multiply
    2,403.90x = 3,599.33 × 1,247.22
  4. Step 4: Simplify right side
    2,403.90x = 4,489,132.13
  5. Step 5: Solve for x
    x = 4,489,132.13/2,403.90
  6. Step 6: Final answer
    x = 1,867.44

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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.