Home / 3,155.33-4,352.27-1,974.35

Finding the Fourth Proportional to 3,155.33, 4,352.27 and 1,974.35

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Solution

The fourth proportional to 3,155.33, 4,352.27 and 1,974.35 is: 2,723.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.33 : 4,352.27 = 1,974.35 : x
  2. Step 2: Convert to fraction form
    3,155.33/4,352.27 = 1,974.35/x
  3. Step 3: Cross multiply
    3,155.33x = 4,352.27 × 1,974.35
  4. Step 4: Simplify right side
    3,155.33x = 8,592,872.64
  5. Step 5: Solve for x
    x = 8,592,872.64/3,155.33
  6. Step 6: Final answer
    x = 2,723.29

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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.