Home / 3,446.45-4,749.98-2,812.91

Finding the Fourth Proportional to 3,446.45, 4,749.98 and 2,812.91

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Solution

The fourth proportional to 3,446.45, 4,749.98 and 2,812.91 is: 3,876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446.45 : 4,749.98 = 2,812.91 : x
  2. Step 2: Convert to fraction form
    3,446.45/4,749.98 = 2,812.91/x
  3. Step 3: Cross multiply
    3,446.45x = 4,749.98 × 2,812.91
  4. Step 4: Simplify right side
    3,446.45x = 13,361,270.97
  5. Step 5: Solve for x
    x = 13,361,270.97/3,446.45
  6. Step 6: Final answer
    x = 3,876.82

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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.