Home / 2,224.91-3,070.28-1,340.54

Finding the Fourth Proportional to 2,224.91, 3,070.28 and 1,340.54

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Solution

The fourth proportional to 2,224.91, 3,070.28 and 1,340.54 is: 1,849.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.91 : 3,070.28 = 1,340.54 : x
  2. Step 2: Convert to fraction form
    2,224.91/3,070.28 = 1,340.54/x
  3. Step 3: Cross multiply
    2,224.91x = 3,070.28 × 1,340.54
  4. Step 4: Simplify right side
    2,224.91x = 4,115,811.10
  5. Step 5: Solve for x
    x = 4,115,811.10/2,224.91
  6. Step 6: Final answer
    x = 1,849.88

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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.