Home / 1,959.30-2,949.62-1,691.46

Finding the Fourth Proportional to 1,959.30, 2,949.62 and 1,691.46

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Solution

The fourth proportional to 1,959.30, 2,949.62 and 1,691.46 is: 2,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.30 : 2,949.62 = 1,691.46 : x
  2. Step 2: Convert to fraction form
    1,959.30/2,949.62 = 1,691.46/x
  3. Step 3: Cross multiply
    1,959.30x = 2,949.62 × 1,691.46
  4. Step 4: Simplify right side
    1,959.30x = 4,989,155.79
  5. Step 5: Solve for x
    x = 4,989,155.79/1,959.30
  6. Step 6: Final answer
    x = 2,546.40

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.