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Finding the Fourth Proportional to 2,960, 4,440.87 and 880.02

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Solution

The fourth proportional to 2,960, 4,440.87 and 880.02 is: 1,320.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960 : 4,440.87 = 880.02 : x
  2. Step 2: Convert to fraction form
    2,960/4,440.87 = 880.02/x
  3. Step 3: Cross multiply
    2,960x = 4,440.87 × 880.02
  4. Step 4: Simplify right side
    2,960x = 3,908,054.42
  5. Step 5: Solve for x
    x = 3,908,054.42/2,960
  6. Step 6: Final answer
    x = 1,320.29

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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.