Home / 3,277.13-4,521.15-2,158.65

Finding the Fourth Proportional to 3,277.13, 4,521.15 and 2,158.65

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Solution

The fourth proportional to 3,277.13, 4,521.15 and 2,158.65 is: 2,978.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.13 : 4,521.15 = 2,158.65 : x
  2. Step 2: Convert to fraction form
    3,277.13/4,521.15 = 2,158.65/x
  3. Step 3: Cross multiply
    3,277.13x = 4,521.15 × 2,158.65
  4. Step 4: Simplify right side
    3,277.13x = 9,759,580.45
  5. Step 5: Solve for x
    x = 9,759,580.45/3,277.13
  6. Step 6: Final answer
    x = 2,978.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.