Home / 2,092.10-3,138.75-1,052.87

Finding the Fourth Proportional to 2,092.10, 3,138.75 and 1,052.87

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Solution

The fourth proportional to 2,092.10, 3,138.75 and 1,052.87 is: 1,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.10 : 3,138.75 = 1,052.87 : x
  2. Step 2: Convert to fraction form
    2,092.10/3,138.75 = 1,052.87/x
  3. Step 3: Cross multiply
    2,092.10x = 3,138.75 × 1,052.87
  4. Step 4: Simplify right side
    2,092.10x = 3,304,680.02
  5. Step 5: Solve for x
    x = 3,304,680.02/2,092.10
  6. Step 6: Final answer
    x = 1,579.60

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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.