Home / 3,453.79-4,766.24-1,961.72

Finding the Fourth Proportional to 3,453.79, 4,766.24 and 1,961.72

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Solution

The fourth proportional to 3,453.79, 4,766.24 and 1,961.72 is: 2,707.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.79 : 4,766.24 = 1,961.72 : x
  2. Step 2: Convert to fraction form
    3,453.79/4,766.24 = 1,961.72/x
  3. Step 3: Cross multiply
    3,453.79x = 4,766.24 × 1,961.72
  4. Step 4: Simplify right side
    3,453.79x = 9,350,009.41
  5. Step 5: Solve for x
    x = 9,350,009.41/3,453.79
  6. Step 6: Final answer
    x = 2,707.18

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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.