Home / 1,949.29-2,690.08-1,203.28

Finding the Fourth Proportional to 1,949.29, 2,690.08 and 1,203.28

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Solution

The fourth proportional to 1,949.29, 2,690.08 and 1,203.28 is: 1,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.29 : 2,690.08 = 1,203.28 : x
  2. Step 2: Convert to fraction form
    1,949.29/2,690.08 = 1,203.28/x
  3. Step 3: Cross multiply
    1,949.29x = 2,690.08 × 1,203.28
  4. Step 4: Simplify right side
    1,949.29x = 3,236,909.73
  5. Step 5: Solve for x
    x = 3,236,909.73/1,949.29
  6. Step 6: Final answer
    x = 1,660.56

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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.