Home / 3,150.49-4,348.59-2,102.55

Finding the Fourth Proportional to 3,150.49, 4,348.59 and 2,102.55

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Solution

The fourth proportional to 3,150.49, 4,348.59 and 2,102.55 is: 2,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.49 : 4,348.59 = 2,102.55 : x
  2. Step 2: Convert to fraction form
    3,150.49/4,348.59 = 2,102.55/x
  3. Step 3: Cross multiply
    3,150.49x = 4,348.59 × 2,102.55
  4. Step 4: Simplify right side
    3,150.49x = 9,143,127.90
  5. Step 5: Solve for x
    x = 9,143,127.90/3,150.49
  6. Step 6: Final answer
    x = 2,902.13

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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.