Home / 3,350.95-4,622.97-2,155.76

Finding the Fourth Proportional to 3,350.95, 4,622.97 and 2,155.76

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Solution

The fourth proportional to 3,350.95, 4,622.97 and 2,155.76 is: 2,974.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.95 : 4,622.97 = 2,155.76 : x
  2. Step 2: Convert to fraction form
    3,350.95/4,622.97 = 2,155.76/x
  3. Step 3: Cross multiply
    3,350.95x = 4,622.97 × 2,155.76
  4. Step 4: Simplify right side
    3,350.95x = 9,966,016.11
  5. Step 5: Solve for x
    x = 9,966,016.11/3,350.95
  6. Step 6: Final answer
    x = 2,974.09

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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.