Home / 3,148.88-4,343.24-2,029.84

Finding the Fourth Proportional to 3,148.88, 4,343.24 and 2,029.84

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Solution

The fourth proportional to 3,148.88, 4,343.24 and 2,029.84 is: 2,799.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.88 : 4,343.24 = 2,029.84 : x
  2. Step 2: Convert to fraction form
    3,148.88/4,343.24 = 2,029.84/x
  3. Step 3: Cross multiply
    3,148.88x = 4,343.24 × 2,029.84
  4. Step 4: Simplify right side
    3,148.88x = 8,816,082.28
  5. Step 5: Solve for x
    x = 8,816,082.28/3,148.88
  6. Step 6: Final answer
    x = 2,799.75

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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.