Home / 3,092.91-4,638.27-1,243.56

Finding the Fourth Proportional to 3,092.91, 4,638.27 and 1,243.56

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Solution

The fourth proportional to 3,092.91, 4,638.27 and 1,243.56 is: 1,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.91 : 4,638.27 = 1,243.56 : x
  2. Step 2: Convert to fraction form
    3,092.91/4,638.27 = 1,243.56/x
  3. Step 3: Cross multiply
    3,092.91x = 4,638.27 × 1,243.56
  4. Step 4: Simplify right side
    3,092.91x = 5,767,967.04
  5. Step 5: Solve for x
    x = 5,767,967.04/3,092.91
  6. Step 6: Final answer
    x = 1,864.90

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1.5x scale

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.