Home / 3,278.22-4,909.98-2,545.58

Finding the Fourth Proportional to 3,278.22, 4,909.98 and 2,545.58

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Solution

The fourth proportional to 3,278.22, 4,909.98 and 2,545.58 is: 3,812.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.22 : 4,909.98 = 2,545.58 : x
  2. Step 2: Convert to fraction form
    3,278.22/4,909.98 = 2,545.58/x
  3. Step 3: Cross multiply
    3,278.22x = 4,909.98 × 2,545.58
  4. Step 4: Simplify right side
    3,278.22x = 12,498,746.89
  5. Step 5: Solve for x
    x = 12,498,746.89/3,278.22
  6. Step 6: Final answer
    x = 3,812.66

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1.5x scale

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.