Home / 2,731.60-4,097.82-1,088.32

Finding the Fourth Proportional to 2,731.60, 4,097.82 and 1,088.32

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Solution

The fourth proportional to 2,731.60, 4,097.82 and 1,088.32 is: 1,632.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.60 : 4,097.82 = 1,088.32 : x
  2. Step 2: Convert to fraction form
    2,731.60/4,097.82 = 1,088.32/x
  3. Step 3: Cross multiply
    2,731.60x = 4,097.82 × 1,088.32
  4. Step 4: Simplify right side
    2,731.60x = 4,459,739.46
  5. Step 5: Solve for x
    x = 4,459,739.46/2,731.60
  6. Step 6: Final answer
    x = 1,632.65

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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.