Home / 3,272.19-4,908.89-1,325.76

Finding the Fourth Proportional to 3,272.19, 4,908.89 and 1,325.76

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Solution

The fourth proportional to 3,272.19, 4,908.89 and 1,325.76 is: 1,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.19 : 4,908.89 = 1,325.76 : x
  2. Step 2: Convert to fraction form
    3,272.19/4,908.89 = 1,325.76/x
  3. Step 3: Cross multiply
    3,272.19x = 4,908.89 × 1,325.76
  4. Step 4: Simplify right side
    3,272.19x = 6,508,010.01
  5. Step 5: Solve for x
    x = 6,508,010.01/3,272.19
  6. Step 6: Final answer
    x = 1,988.89

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1.5x scale

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.