Home / 3,586.07-4,949.61-2,170.90

Finding the Fourth Proportional to 3,586.07, 4,949.61 and 2,170.90

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Solution

The fourth proportional to 3,586.07, 4,949.61 and 2,170.90 is: 2,996.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.07 : 4,949.61 = 2,170.90 : x
  2. Step 2: Convert to fraction form
    3,586.07/4,949.61 = 2,170.90/x
  3. Step 3: Cross multiply
    3,586.07x = 4,949.61 × 2,170.90
  4. Step 4: Simplify right side
    3,586.07x = 10,745,106.40
  5. Step 5: Solve for x
    x = 10,745,106.40/3,586.07
  6. Step 6: Final answer
    x = 2,996.34

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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.