Home / 1,966.08-2,724.87-1,929.18

Finding the Fourth Proportional to 1,966.08, 2,724.87 and 1,929.18

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Solution

The fourth proportional to 1,966.08, 2,724.87 and 1,929.18 is: 2,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.08 : 2,724.87 = 1,929.18 : x
  2. Step 2: Convert to fraction form
    1,966.08/2,724.87 = 1,929.18/x
  3. Step 3: Cross multiply
    1,966.08x = 2,724.87 × 1,929.18
  4. Step 4: Simplify right side
    1,966.08x = 5,256,759.17
  5. Step 5: Solve for x
    x = 5,256,759.17/1,966.08
  6. Step 6: Final answer
    x = 2,673.72

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.