Home / 1,753.07-2,418.59-1,229.81

Finding the Fourth Proportional to 1,753.07, 2,418.59 and 1,229.81

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Solution

The fourth proportional to 1,753.07, 2,418.59 and 1,229.81 is: 1,696.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.07 : 2,418.59 = 1,229.81 : x
  2. Step 2: Convert to fraction form
    1,753.07/2,418.59 = 1,229.81/x
  3. Step 3: Cross multiply
    1,753.07x = 2,418.59 × 1,229.81
  4. Step 4: Simplify right side
    1,753.07x = 2,974,397.15
  5. Step 5: Solve for x
    x = 2,974,397.15/1,753.07
  6. Step 6: Final answer
    x = 1,696.68

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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.