Home / 3,519.12-5,274.88-2,287.42

Finding the Fourth Proportional to 3,519.12, 5,274.88 and 2,287.42

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Solution

The fourth proportional to 3,519.12, 5,274.88 and 2,287.42 is: 3,428.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.12 : 5,274.88 = 2,287.42 : x
  2. Step 2: Convert to fraction form
    3,519.12/5,274.88 = 2,287.42/x
  3. Step 3: Cross multiply
    3,519.12x = 5,274.88 × 2,287.42
  4. Step 4: Simplify right side
    3,519.12x = 12,065,866.01
  5. Step 5: Solve for x
    x = 12,065,866.01/3,519.12
  6. Step 6: Final answer
    x = 3,428.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.