Home / 2,216.62-3,060.48-1,377.70

Finding the Fourth Proportional to 2,216.62, 3,060.48 and 1,377.70

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Solution

The fourth proportional to 2,216.62, 3,060.48 and 1,377.70 is: 1,902.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.62 : 3,060.48 = 1,377.70 : x
  2. Step 2: Convert to fraction form
    2,216.62/3,060.48 = 1,377.70/x
  3. Step 3: Cross multiply
    2,216.62x = 3,060.48 × 1,377.70
  4. Step 4: Simplify right side
    2,216.62x = 4,216,427.12
  5. Step 5: Solve for x
    x = 4,216,427.12/2,216.62
  6. Step 6: Final answer
    x = 1,902.19

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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.