Home / 3,586.25-4,948.97-2,189.00

Finding the Fourth Proportional to 3,586.25, 4,948.97 and 2,189.00

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Solution

The fourth proportional to 3,586.25, 4,948.97 and 2,189.00 is: 3,020.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.25 : 4,948.97 = 2,189.00 : x
  2. Step 2: Convert to fraction form
    3,586.25/4,948.97 = 2,189.00/x
  3. Step 3: Cross multiply
    3,586.25x = 4,948.97 × 2,189.00
  4. Step 4: Simplify right side
    3,586.25x = 10,833,296.76
  5. Step 5: Solve for x
    x = 10,833,296.76/3,586.25
  6. Step 6: Final answer
    x = 3,020.78

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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.