Home / 2,207.20-3,307.06-1,095.13

Finding the Fourth Proportional to 2,207.20, 3,307.06 and 1,095.13

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Solution

The fourth proportional to 2,207.20, 3,307.06 and 1,095.13 is: 1,640.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.20 : 3,307.06 = 1,095.13 : x
  2. Step 2: Convert to fraction form
    2,207.20/3,307.06 = 1,095.13/x
  3. Step 3: Cross multiply
    2,207.20x = 3,307.06 × 1,095.13
  4. Step 4: Simplify right side
    2,207.20x = 3,621,660.62
  5. Step 5: Solve for x
    x = 3,621,660.62/2,207.20
  6. Step 6: Final answer
    x = 1,640.84

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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.