Home / 3,586.30-4,949.16-2,170.06

Finding the Fourth Proportional to 3,586.30, 4,949.16 and 2,170.06

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Solution

The fourth proportional to 3,586.30, 4,949.16 and 2,170.06 is: 2,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.30 : 4,949.16 = 2,170.06 : x
  2. Step 2: Convert to fraction form
    3,586.30/4,949.16 = 2,170.06/x
  3. Step 3: Cross multiply
    3,586.30x = 4,949.16 × 2,170.06
  4. Step 4: Simplify right side
    3,586.30x = 10,739,974.15
  5. Step 5: Solve for x
    x = 10,739,974.15/3,586.30
  6. Step 6: Final answer
    x = 2,994.72

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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.