Home / 1,649.16-2,273.44-1,255.48

Finding the Fourth Proportional to 1,649.16, 2,273.44 and 1,255.48

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Solution

The fourth proportional to 1,649.16, 2,273.44 and 1,255.48 is: 1,730.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649.16 : 2,273.44 = 1,255.48 : x
  2. Step 2: Convert to fraction form
    1,649.16/2,273.44 = 1,255.48/x
  3. Step 3: Cross multiply
    1,649.16x = 2,273.44 × 1,255.48
  4. Step 4: Simplify right side
    1,649.16x = 2,854,258.45
  5. Step 5: Solve for x
    x = 2,854,258.45/1,649.16
  6. Step 6: Final answer
    x = 1,730.73

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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.