Home / 2,647.97-3,972.19-700.17

Finding the Fourth Proportional to 2,647.97, 3,972.19 and 700.17

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Solution

The fourth proportional to 2,647.97, 3,972.19 and 700.17 is: 1,050.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.97 : 3,972.19 = 700.17 : x
  2. Step 2: Convert to fraction form
    2,647.97/3,972.19 = 700.17/x
  3. Step 3: Cross multiply
    2,647.97x = 3,972.19 × 700.17
  4. Step 4: Simplify right side
    2,647.97x = 2,781,224.04
  5. Step 5: Solve for x
    x = 2,781,224.04/2,647.97
  6. Step 6: Final answer
    x = 1,050.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.