Home / 3,251.25-4,877.08-1,303.20

Finding the Fourth Proportional to 3,251.25, 4,877.08 and 1,303.20

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Solution

The fourth proportional to 3,251.25, 4,877.08 and 1,303.20 is: 1,954.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.25 : 4,877.08 = 1,303.20 : x
  2. Step 2: Convert to fraction form
    3,251.25/4,877.08 = 1,303.20/x
  3. Step 3: Cross multiply
    3,251.25x = 4,877.08 × 1,303.20
  4. Step 4: Simplify right side
    3,251.25x = 6,355,826.11
  5. Step 5: Solve for x
    x = 6,355,826.11/3,251.25
  6. Step 6: Final answer
    x = 1,954.89

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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.