Home / 4,167.51-5,751.15-2,489.90

Finding the Fourth Proportional to 4,167.51, 5,751.15 and 2,489.90

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Solution

The fourth proportional to 4,167.51, 5,751.15 and 2,489.90 is: 3,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.51 : 5,751.15 = 2,489.90 : x
  2. Step 2: Convert to fraction form
    4,167.51/5,751.15 = 2,489.90/x
  3. Step 3: Cross multiply
    4,167.51x = 5,751.15 × 2,489.90
  4. Step 4: Simplify right side
    4,167.51x = 14,319,788.39
  5. Step 5: Solve for x
    x = 14,319,788.39/4,167.51
  6. Step 6: Final answer
    x = 3,436.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.