Home / 2,648.16-3,972.44-700.31

Finding the Fourth Proportional to 2,648.16, 3,972.44 and 700.31

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Solution

The fourth proportional to 2,648.16, 3,972.44 and 700.31 is: 1,050.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.16 : 3,972.44 = 700.31 : x
  2. Step 2: Convert to fraction form
    2,648.16/3,972.44 = 700.31/x
  3. Step 3: Cross multiply
    2,648.16x = 3,972.44 × 700.31
  4. Step 4: Simplify right side
    2,648.16x = 2,781,951.14
  5. Step 5: Solve for x
    x = 2,781,951.14/2,648.16
  6. Step 6: Final answer
    x = 1,050.52

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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.