Home / 2,727.32-4,091.18-972.68

Finding the Fourth Proportional to 2,727.32, 4,091.18 and 972.68

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Solution

The fourth proportional to 2,727.32, 4,091.18 and 972.68 is: 1,459.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.32 : 4,091.18 = 972.68 : x
  2. Step 2: Convert to fraction form
    2,727.32/4,091.18 = 972.68/x
  3. Step 3: Cross multiply
    2,727.32x = 4,091.18 × 972.68
  4. Step 4: Simplify right side
    2,727.32x = 3,979,383.64
  5. Step 5: Solve for x
    x = 3,979,383.64/2,727.32
  6. Step 6: Final answer
    x = 1,459.08

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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.