Home / 2,254.92-3,111.96-1,260.24

Finding the Fourth Proportional to 2,254.92, 3,111.96 and 1,260.24

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Solution

The fourth proportional to 2,254.92, 3,111.96 and 1,260.24 is: 1,739.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.92 : 3,111.96 = 1,260.24 : x
  2. Step 2: Convert to fraction form
    2,254.92/3,111.96 = 1,260.24/x
  3. Step 3: Cross multiply
    2,254.92x = 3,111.96 × 1,260.24
  4. Step 4: Simplify right side
    2,254.92x = 3,921,816.47
  5. Step 5: Solve for x
    x = 3,921,816.47/2,254.92
  6. Step 6: Final answer
    x = 1,739.23

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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.