Home / 3,327.86-4,590.47-2,149.61

Finding the Fourth Proportional to 3,327.86, 4,590.47 and 2,149.61

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Solution

The fourth proportional to 3,327.86, 4,590.47 and 2,149.61 is: 2,965.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.86 : 4,590.47 = 2,149.61 : x
  2. Step 2: Convert to fraction form
    3,327.86/4,590.47 = 2,149.61/x
  3. Step 3: Cross multiply
    3,327.86x = 4,590.47 × 2,149.61
  4. Step 4: Simplify right side
    3,327.86x = 9,867,686.52
  5. Step 5: Solve for x
    x = 9,867,686.52/3,327.86
  6. Step 6: Final answer
    x = 2,965.18

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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.