Home / 2,962.25-4,444.42-1,318.65

Finding the Fourth Proportional to 2,962.25, 4,444.42 and 1,318.65

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Solution

The fourth proportional to 2,962.25, 4,444.42 and 1,318.65 is: 1,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.25 : 4,444.42 = 1,318.65 : x
  2. Step 2: Convert to fraction form
    2,962.25/4,444.42 = 1,318.65/x
  3. Step 3: Cross multiply
    2,962.25x = 4,444.42 × 1,318.65
  4. Step 4: Simplify right side
    2,962.25x = 5,860,634.43
  5. Step 5: Solve for x
    x = 5,860,634.43/2,962.25
  6. Step 6: Final answer
    x = 1,978.44

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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.