Home / 1,825.39-2,518.11-1,078.97

Finding the Fourth Proportional to 1,825.39, 2,518.11 and 1,078.97

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Solution

The fourth proportional to 1,825.39, 2,518.11 and 1,078.97 is: 1,488.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.39 : 2,518.11 = 1,078.97 : x
  2. Step 2: Convert to fraction form
    1,825.39/2,518.11 = 1,078.97/x
  3. Step 3: Cross multiply
    1,825.39x = 2,518.11 × 1,078.97
  4. Step 4: Simplify right side
    1,825.39x = 2,716,969.76
  5. Step 5: Solve for x
    x = 2,716,969.76/1,825.39
  6. Step 6: Final answer
    x = 1,488.44

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1.5x scale

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.