Home / 3,287.91-4,931.86-1,096.14

Finding the Fourth Proportional to 3,287.91, 4,931.86 and 1,096.14

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Solution

The fourth proportional to 3,287.91, 4,931.86 and 1,096.14 is: 1,644.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.91 : 4,931.86 = 1,096.14 : x
  2. Step 2: Convert to fraction form
    3,287.91/4,931.86 = 1,096.14/x
  3. Step 3: Cross multiply
    3,287.91x = 4,931.86 × 1,096.14
  4. Step 4: Simplify right side
    3,287.91x = 5,406,009.02
  5. Step 5: Solve for x
    x = 5,406,009.02/3,287.91
  6. Step 6: Final answer
    x = 1,644.21

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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.