Home / 2,648.29-3,972.44-1,088.03

Finding the Fourth Proportional to 2,648.29, 3,972.44 and 1,088.03

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Solution

The fourth proportional to 2,648.29, 3,972.44 and 1,088.03 is: 1,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.29 : 3,972.44 = 1,088.03 : x
  2. Step 2: Convert to fraction form
    2,648.29/3,972.44 = 1,088.03/x
  3. Step 3: Cross multiply
    2,648.29x = 3,972.44 × 1,088.03
  4. Step 4: Simplify right side
    2,648.29x = 4,322,133.89
  5. Step 5: Solve for x
    x = 4,322,133.89/2,648.29
  6. Step 6: Final answer
    x = 1,632.05

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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.