Home / 3,113.10-4,290.98-2,522.61

Finding the Fourth Proportional to 3,113.10, 4,290.98 and 2,522.61

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Solution

The fourth proportional to 3,113.10, 4,290.98 and 2,522.61 is: 3,477.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.10 : 4,290.98 = 2,522.61 : x
  2. Step 2: Convert to fraction form
    3,113.10/4,290.98 = 2,522.61/x
  3. Step 3: Cross multiply
    3,113.10x = 4,290.98 × 2,522.61
  4. Step 4: Simplify right side
    3,113.10x = 10,824,456.44
  5. Step 5: Solve for x
    x = 10,824,456.44/3,113.10
  6. Step 6: Final answer
    x = 3,477.07

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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.