Home / 3,633.20-5,014.60-2,140.57

Finding the Fourth Proportional to 3,633.20, 5,014.60 and 2,140.57

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Solution

The fourth proportional to 3,633.20, 5,014.60 and 2,140.57 is: 2,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.20 : 5,014.60 = 2,140.57 : x
  2. Step 2: Convert to fraction form
    3,633.20/5,014.60 = 2,140.57/x
  3. Step 3: Cross multiply
    3,633.20x = 5,014.60 × 2,140.57
  4. Step 4: Simplify right side
    3,633.20x = 10,734,084.43
  5. Step 5: Solve for x
    x = 10,734,084.43/3,633.20
  6. Step 6: Final answer
    x = 2,954.45

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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.