Home / 2,092.12-3,138.70-1,477.02

Finding the Fourth Proportional to 2,092.12, 3,138.70 and 1,477.02

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Solution

The fourth proportional to 2,092.12, 3,138.70 and 1,477.02 is: 2,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.12 : 3,138.70 = 1,477.02 : x
  2. Step 2: Convert to fraction form
    2,092.12/3,138.70 = 1,477.02/x
  3. Step 3: Cross multiply
    2,092.12x = 3,138.70 × 1,477.02
  4. Step 4: Simplify right side
    2,092.12x = 4,635,915.29
  5. Step 5: Solve for x
    x = 4,635,915.29/2,092.12
  6. Step 6: Final answer
    x = 2,215.90

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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.