Home / 1,480.88-2,042.15-1,149.19

Finding the Fourth Proportional to 1,480.88, 2,042.15 and 1,149.19

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Solution

The fourth proportional to 1,480.88, 2,042.15 and 1,149.19 is: 1,584.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.88 : 2,042.15 = 1,149.19 : x
  2. Step 2: Convert to fraction form
    1,480.88/2,042.15 = 1,149.19/x
  3. Step 3: Cross multiply
    1,480.88x = 2,042.15 × 1,149.19
  4. Step 4: Simplify right side
    1,480.88x = 2,346,807.51
  5. Step 5: Solve for x
    x = 2,346,807.51/1,480.88
  6. Step 6: Final answer
    x = 1,584.74

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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.