Home / 2,319.10-3,481.08-1,223.17

Finding the Fourth Proportional to 2,319.10, 3,481.08 and 1,223.17

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Solution

The fourth proportional to 2,319.10, 3,481.08 and 1,223.17 is: 1,836.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.10 : 3,481.08 = 1,223.17 : x
  2. Step 2: Convert to fraction form
    2,319.10/3,481.08 = 1,223.17/x
  3. Step 3: Cross multiply
    2,319.10x = 3,481.08 × 1,223.17
  4. Step 4: Simplify right side
    2,319.10x = 4,257,952.62
  5. Step 5: Solve for x
    x = 4,257,952.62/2,319.10
  6. Step 6: Final answer
    x = 1,836.04

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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.