Home / 2,587.57-3,879.99-2,385.27

Finding the Fourth Proportional to 2,587.57, 3,879.99 and 2,385.27

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Solution

The fourth proportional to 2,587.57, 3,879.99 and 2,385.27 is: 3,576.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.57 : 3,879.99 = 2,385.27 : x
  2. Step 2: Convert to fraction form
    2,587.57/3,879.99 = 2,385.27/x
  3. Step 3: Cross multiply
    2,587.57x = 3,879.99 × 2,385.27
  4. Step 4: Simplify right side
    2,587.57x = 9,254,823.75
  5. Step 5: Solve for x
    x = 9,254,823.75/2,587.57
  6. Step 6: Final answer
    x = 3,576.65

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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.