Home / 2,859.38-4,290.54-2,165.82

Finding the Fourth Proportional to 2,859.38, 4,290.54 and 2,165.82

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Solution

The fourth proportional to 2,859.38, 4,290.54 and 2,165.82 is: 3,249.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.38 : 4,290.54 = 2,165.82 : x
  2. Step 2: Convert to fraction form
    2,859.38/4,290.54 = 2,165.82/x
  3. Step 3: Cross multiply
    2,859.38x = 4,290.54 × 2,165.82
  4. Step 4: Simplify right side
    2,859.38x = 9,292,545.46
  5. Step 5: Solve for x
    x = 9,292,545.46/2,859.38
  6. Step 6: Final answer
    x = 3,249.84

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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.