Home / 3,738.45-5,601.29-2,640.70

Finding the Fourth Proportional to 3,738.45, 5,601.29 and 2,640.70

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Solution

The fourth proportional to 3,738.45, 5,601.29 and 2,640.70 is: 3,956.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.45 : 5,601.29 = 2,640.70 : x
  2. Step 2: Convert to fraction form
    3,738.45/5,601.29 = 2,640.70/x
  3. Step 3: Cross multiply
    3,738.45x = 5,601.29 × 2,640.70
  4. Step 4: Simplify right side
    3,738.45x = 14,791,298.50
  5. Step 5: Solve for x
    x = 14,791,298.50/3,738.45
  6. Step 6: Final answer
    x = 3,956.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.