Home / 2,931.04-4,397.09-850.96

Finding the Fourth Proportional to 2,931.04, 4,397.09 and 850.96

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Solution

The fourth proportional to 2,931.04, 4,397.09 and 850.96 is: 1,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.04 : 4,397.09 = 850.96 : x
  2. Step 2: Convert to fraction form
    2,931.04/4,397.09 = 850.96/x
  3. Step 3: Cross multiply
    2,931.04x = 4,397.09 × 850.96
  4. Step 4: Simplify right side
    2,931.04x = 3,741,724.21
  5. Step 5: Solve for x
    x = 3,741,724.21/2,931.04
  6. Step 6: Final answer
    x = 1,276.59

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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.