Home / 3,849.18-5,775.12-2,207.10

Finding the Fourth Proportional to 3,849.18, 5,775.12 and 2,207.10

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Solution

The fourth proportional to 3,849.18, 5,775.12 and 2,207.10 is: 3,311.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.18 : 5,775.12 = 2,207.10 : x
  2. Step 2: Convert to fraction form
    3,849.18/5,775.12 = 2,207.10/x
  3. Step 3: Cross multiply
    3,849.18x = 5,775.12 × 2,207.10
  4. Step 4: Simplify right side
    3,849.18x = 12,746,267.35
  5. Step 5: Solve for x
    x = 12,746,267.35/3,849.18
  6. Step 6: Final answer
    x = 3,311.42

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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.