Home / 1,753.25-2,419.49-1,054.85

Finding the Fourth Proportional to 1,753.25, 2,419.49 and 1,054.85

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Solution

The fourth proportional to 1,753.25, 2,419.49 and 1,054.85 is: 1,455.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.25 : 2,419.49 = 1,054.85 : x
  2. Step 2: Convert to fraction form
    1,753.25/2,419.49 = 1,054.85/x
  3. Step 3: Cross multiply
    1,753.25x = 2,419.49 × 1,054.85
  4. Step 4: Simplify right side
    1,753.25x = 2,552,193.75
  5. Step 5: Solve for x
    x = 2,552,193.75/1,753.25
  6. Step 6: Final answer
    x = 1,455.69

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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.