Home / 2,299.49-3,173.30-1,251.55

Finding the Fourth Proportional to 2,299.49, 3,173.30 and 1,251.55

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Solution

The fourth proportional to 2,299.49, 3,173.30 and 1,251.55 is: 1,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.49 : 3,173.30 = 1,251.55 : x
  2. Step 2: Convert to fraction form
    2,299.49/3,173.30 = 1,251.55/x
  3. Step 3: Cross multiply
    2,299.49x = 3,173.30 × 1,251.55
  4. Step 4: Simplify right side
    2,299.49x = 3,971,543.62
  5. Step 5: Solve for x
    x = 3,971,543.62/2,299.49
  6. Step 6: Final answer
    x = 1,727.14

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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.