Home / 3,251.70-4,877.55-3,021.30

Finding the Fourth Proportional to 3,251.70, 4,877.55 and 3,021.30

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Solution

The fourth proportional to 3,251.70, 4,877.55 and 3,021.30 is: 4,531.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.70 : 4,877.55 = 3,021.30 : x
  2. Step 2: Convert to fraction form
    3,251.70/4,877.55 = 3,021.30/x
  3. Step 3: Cross multiply
    3,251.70x = 4,877.55 × 3,021.30
  4. Step 4: Simplify right side
    3,251.70x = 14,736,541.82
  5. Step 5: Solve for x
    x = 14,736,541.82/3,251.70
  6. Step 6: Final answer
    x = 4,531.95

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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.