Home / 3,608.40-5,414.53-1,417.15

Finding the Fourth Proportional to 3,608.40, 5,414.53 and 1,417.15

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Solution

The fourth proportional to 3,608.40, 5,414.53 and 1,417.15 is: 2,126.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.40 : 5,414.53 = 1,417.15 : x
  2. Step 2: Convert to fraction form
    3,608.40/5,414.53 = 1,417.15/x
  3. Step 3: Cross multiply
    3,608.40x = 5,414.53 × 1,417.15
  4. Step 4: Simplify right side
    3,608.40x = 7,673,201.19
  5. Step 5: Solve for x
    x = 7,673,201.19/3,608.40
  6. Step 6: Final answer
    x = 2,126.48

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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.