Home / 3,113.08-4,283.22-2,721.04

Finding the Fourth Proportional to 3,113.08, 4,283.22 and 2,721.04

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Solution

The fourth proportional to 3,113.08, 4,283.22 and 2,721.04 is: 3,743.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.08 : 4,283.22 = 2,721.04 : x
  2. Step 2: Convert to fraction form
    3,113.08/4,283.22 = 2,721.04/x
  3. Step 3: Cross multiply
    3,113.08x = 4,283.22 × 2,721.04
  4. Step 4: Simplify right side
    3,113.08x = 11,654,812.95
  5. Step 5: Solve for x
    x = 11,654,812.95/3,113.08
  6. Step 6: Final answer
    x = 3,743.82

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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.