Home / 1,752.79-2,418.67-1,080.49

Finding the Fourth Proportional to 1,752.79, 2,418.67 and 1,080.49

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Solution

The fourth proportional to 1,752.79, 2,418.67 and 1,080.49 is: 1,490.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.79 : 2,418.67 = 1,080.49 : x
  2. Step 2: Convert to fraction form
    1,752.79/2,418.67 = 1,080.49/x
  3. Step 3: Cross multiply
    1,752.79x = 2,418.67 × 1,080.49
  4. Step 4: Simplify right side
    1,752.79x = 2,613,348.75
  5. Step 5: Solve for x
    x = 2,613,348.75/1,752.79
  6. Step 6: Final answer
    x = 1,490.97

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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.