Home / 1,649.26-2,273.27-1,170.08

Finding the Fourth Proportional to 1,649.26, 2,273.27 and 1,170.08

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Solution

The fourth proportional to 1,649.26, 2,273.27 and 1,170.08 is: 1,612.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649.26 : 2,273.27 = 1,170.08 : x
  2. Step 2: Convert to fraction form
    1,649.26/2,273.27 = 1,170.08/x
  3. Step 3: Cross multiply
    1,649.26x = 2,273.27 × 1,170.08
  4. Step 4: Simplify right side
    1,649.26x = 2,659,899.07
  5. Step 5: Solve for x
    x = 2,659,899.07/1,649.26
  6. Step 6: Final answer
    x = 1,612.78

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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.