Home / 3,254.23-4,872.09-2,156.41

Finding the Fourth Proportional to 3,254.23, 4,872.09 and 2,156.41

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Solution

The fourth proportional to 3,254.23, 4,872.09 and 2,156.41 is: 3,228.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.23 : 4,872.09 = 2,156.41 : x
  2. Step 2: Convert to fraction form
    3,254.23/4,872.09 = 2,156.41/x
  3. Step 3: Cross multiply
    3,254.23x = 4,872.09 × 2,156.41
  4. Step 4: Simplify right side
    3,254.23x = 10,506,223.60
  5. Step 5: Solve for x
    x = 10,506,223.60/3,254.23
  6. Step 6: Final answer
    x = 3,228.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.