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Finding the Fourth Proportional to 3,510.72, 4,812.66 and 3,447.90

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Solution

The fourth proportional to 3,510.72, 4,812.66 and 3,447.90 is: 4,726.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.72 : 4,812.66 = 3,447.90 : x
  2. Step 2: Convert to fraction form
    3,510.72/4,812.66 = 3,447.90/x
  3. Step 3: Cross multiply
    3,510.72x = 4,812.66 × 3,447.90
  4. Step 4: Simplify right side
    3,510.72x = 16,593,570.41
  5. Step 5: Solve for x
    x = 16,593,570.41/3,510.72
  6. Step 6: Final answer
    x = 4,726.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.