Home / 3,610.37-4,981.17-2,118.35

Finding the Fourth Proportional to 3,610.37, 4,981.17 and 2,118.35

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Solution

The fourth proportional to 3,610.37, 4,981.17 and 2,118.35 is: 2,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.37 : 4,981.17 = 2,118.35 : x
  2. Step 2: Convert to fraction form
    3,610.37/4,981.17 = 2,118.35/x
  3. Step 3: Cross multiply
    3,610.37x = 4,981.17 × 2,118.35
  4. Step 4: Simplify right side
    3,610.37x = 10,551,836.56
  5. Step 5: Solve for x
    x = 10,551,836.56/3,610.37
  6. Step 6: Final answer
    x = 2,922.65

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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.