Home / 2,587.59-3,879.25-2,215.97

Finding the Fourth Proportional to 2,587.59, 3,879.25 and 2,215.97

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Solution

The fourth proportional to 2,587.59, 3,879.25 and 2,215.97 is: 3,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.59 : 3,879.25 = 2,215.97 : x
  2. Step 2: Convert to fraction form
    2,587.59/3,879.25 = 2,215.97/x
  3. Step 3: Cross multiply
    2,587.59x = 3,879.25 × 2,215.97
  4. Step 4: Simplify right side
    2,587.59x = 8,596,298.25
  5. Step 5: Solve for x
    x = 8,596,298.25/2,587.59
  6. Step 6: Final answer
    x = 3,322.13

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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.