Home / 3,540.12-5,294.64-3,152.84

Finding the Fourth Proportional to 3,540.12, 5,294.64 and 3,152.84

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Solution

The fourth proportional to 3,540.12, 5,294.64 and 3,152.84 is: 4,715.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.12 : 5,294.64 = 3,152.84 : x
  2. Step 2: Convert to fraction form
    3,540.12/5,294.64 = 3,152.84/x
  3. Step 3: Cross multiply
    3,540.12x = 5,294.64 × 3,152.84
  4. Step 4: Simplify right side
    3,540.12x = 16,693,152.78
  5. Step 5: Solve for x
    x = 16,693,152.78/3,540.12
  6. Step 6: Final answer
    x = 4,715.42

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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.