Home / 3,586.52-4,947.24-2,169.20

Finding the Fourth Proportional to 3,586.52, 4,947.24 and 2,169.20

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Solution

The fourth proportional to 3,586.52, 4,947.24 and 2,169.20 is: 2,992.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.52 : 4,947.24 = 2,169.20 : x
  2. Step 2: Convert to fraction form
    3,586.52/4,947.24 = 2,169.20/x
  3. Step 3: Cross multiply
    3,586.52x = 4,947.24 × 2,169.20
  4. Step 4: Simplify right side
    3,586.52x = 10,731,553.01
  5. Step 5: Solve for x
    x = 10,731,553.01/3,586.52
  6. Step 6: Final answer
    x = 2,992.19

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1.5x scale

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.