Home / 4,115.52-5,679.27-2,347.69

Finding the Fourth Proportional to 4,115.52, 5,679.27 and 2,347.69

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Solution

The fourth proportional to 4,115.52, 5,679.27 and 2,347.69 is: 3,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.52 : 5,679.27 = 2,347.69 : x
  2. Step 2: Convert to fraction form
    4,115.52/5,679.27 = 2,347.69/x
  3. Step 3: Cross multiply
    4,115.52x = 5,679.27 × 2,347.69
  4. Step 4: Simplify right side
    4,115.52x = 13,333,165.39
  5. Step 5: Solve for x
    x = 13,333,165.39/4,115.52
  6. Step 6: Final answer
    x = 3,239.73

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1.5x scale

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.