Home / 2,649-3,973.32-1,088.60

Finding the Fourth Proportional to 2,649, 3,973.32 and 1,088.60

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Solution

The fourth proportional to 2,649, 3,973.32 and 1,088.60 is: 1,632.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649 : 3,973.32 = 1,088.60 : x
  2. Step 2: Convert to fraction form
    2,649/3,973.32 = 1,088.60/x
  3. Step 3: Cross multiply
    2,649x = 3,973.32 × 1,088.60
  4. Step 4: Simplify right side
    2,649x = 4,325,356.15
  5. Step 5: Solve for x
    x = 4,325,356.15/2,649
  6. Step 6: Final answer
    x = 1,632.83

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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.