Home / 2,247.86-3,104.82-1,587.66

Finding the Fourth Proportional to 2,247.86, 3,104.82 and 1,587.66

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Solution

The fourth proportional to 2,247.86, 3,104.82 and 1,587.66 is: 2,192.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.86 : 3,104.82 = 1,587.66 : x
  2. Step 2: Convert to fraction form
    2,247.86/3,104.82 = 1,587.66/x
  3. Step 3: Cross multiply
    2,247.86x = 3,104.82 × 1,587.66
  4. Step 4: Simplify right side
    2,247.86x = 4,929,398.52
  5. Step 5: Solve for x
    x = 4,929,398.52/2,247.86
  6. Step 6: Final answer
    x = 2,192.93

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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.