Home / 3,451.16-5,176.65-1,342.19

Finding the Fourth Proportional to 3,451.16, 5,176.65 and 1,342.19

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Solution

The fourth proportional to 3,451.16, 5,176.65 and 1,342.19 is: 2,013.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.16 : 5,176.65 = 1,342.19 : x
  2. Step 2: Convert to fraction form
    3,451.16/5,176.65 = 1,342.19/x
  3. Step 3: Cross multiply
    3,451.16x = 5,176.65 × 1,342.19
  4. Step 4: Simplify right side
    3,451.16x = 6,948,047.86
  5. Step 5: Solve for x
    x = 6,948,047.86/3,451.16
  6. Step 6: Final answer
    x = 2,013.25

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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.