Home / 3,660.06-5,050.87-1,981.46

Finding the Fourth Proportional to 3,660.06, 5,050.87 and 1,981.46

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Solution

The fourth proportional to 3,660.06, 5,050.87 and 1,981.46 is: 2,734.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.06 : 5,050.87 = 1,981.46 : x
  2. Step 2: Convert to fraction form
    3,660.06/5,050.87 = 1,981.46/x
  3. Step 3: Cross multiply
    3,660.06x = 5,050.87 × 1,981.46
  4. Step 4: Simplify right side
    3,660.06x = 10,008,096.87
  5. Step 5: Solve for x
    x = 10,008,096.87/3,660.06
  6. Step 6: Final answer
    x = 2,734.41

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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.