Home / 2,587.16-3,881.23-1,026.85

Finding the Fourth Proportional to 2,587.16, 3,881.23 and 1,026.85

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Solution

The fourth proportional to 2,587.16, 3,881.23 and 1,026.85 is: 1,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.16 : 3,881.23 = 1,026.85 : x
  2. Step 2: Convert to fraction form
    2,587.16/3,881.23 = 1,026.85/x
  3. Step 3: Cross multiply
    2,587.16x = 3,881.23 × 1,026.85
  4. Step 4: Simplify right side
    2,587.16x = 3,985,441.03
  5. Step 5: Solve for x
    x = 3,985,441.03/2,587.16
  6. Step 6: Final answer
    x = 1,540.47

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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.