Home / 3,354.12-5,031.23-1,872.48

Finding the Fourth Proportional to 3,354.12, 5,031.23 and 1,872.48

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Solution

The fourth proportional to 3,354.12, 5,031.23 and 1,872.48 is: 2,808.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.12 : 5,031.23 = 1,872.48 : x
  2. Step 2: Convert to fraction form
    3,354.12/5,031.23 = 1,872.48/x
  3. Step 3: Cross multiply
    3,354.12x = 5,031.23 × 1,872.48
  4. Step 4: Simplify right side
    3,354.12x = 9,420,882.23
  5. Step 5: Solve for x
    x = 9,420,882.23/3,354.12
  6. Step 6: Final answer
    x = 2,808.75

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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.