Home / 2,224.23-3,070.68-1,479.21

Finding the Fourth Proportional to 2,224.23, 3,070.68 and 1,479.21

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Solution

The fourth proportional to 2,224.23, 3,070.68 and 1,479.21 is: 2,042.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.23 : 3,070.68 = 1,479.21 : x
  2. Step 2: Convert to fraction form
    2,224.23/3,070.68 = 1,479.21/x
  3. Step 3: Cross multiply
    2,224.23x = 3,070.68 × 1,479.21
  4. Step 4: Simplify right side
    2,224.23x = 4,542,180.56
  5. Step 5: Solve for x
    x = 4,542,180.56/2,224.23
  6. Step 6: Final answer
    x = 2,042.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.