Home / 3,660.10-5,050.95-1,981.52

Finding the Fourth Proportional to 3,660.10, 5,050.95 and 1,981.52

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Solution

The fourth proportional to 3,660.10, 5,050.95 and 1,981.52 is: 2,734.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.10 : 5,050.95 = 1,981.52 : x
  2. Step 2: Convert to fraction form
    3,660.10/5,050.95 = 1,981.52/x
  3. Step 3: Cross multiply
    3,660.10x = 5,050.95 × 1,981.52
  4. Step 4: Simplify right side
    3,660.10x = 10,008,571.07
  5. Step 5: Solve for x
    x = 10,008,571.07/3,660.10
  6. Step 6: Final answer
    x = 2,734.51

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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.