Home / 1,753.39-2,418.49-1,489.60

Finding the Fourth Proportional to 1,753.39, 2,418.49 and 1,489.60

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Solution

The fourth proportional to 1,753.39, 2,418.49 and 1,489.60 is: 2,054.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.39 : 2,418.49 = 1,489.60 : x
  2. Step 2: Convert to fraction form
    1,753.39/2,418.49 = 1,489.60/x
  3. Step 3: Cross multiply
    1,753.39x = 2,418.49 × 1,489.60
  4. Step 4: Simplify right side
    1,753.39x = 3,602,582.70
  5. Step 5: Solve for x
    x = 3,602,582.70/1,753.39
  6. Step 6: Final answer
    x = 2,054.64

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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.