Home / 3,325.28-4,988.19-1,865.12

Finding the Fourth Proportional to 3,325.28, 4,988.19 and 1,865.12

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Solution

The fourth proportional to 3,325.28, 4,988.19 and 1,865.12 is: 2,797.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.28 : 4,988.19 = 1,865.12 : x
  2. Step 2: Convert to fraction form
    3,325.28/4,988.19 = 1,865.12/x
  3. Step 3: Cross multiply
    3,325.28x = 4,988.19 × 1,865.12
  4. Step 4: Simplify right side
    3,325.28x = 9,303,572.93
  5. Step 5: Solve for x
    x = 9,303,572.93/3,325.28
  6. Step 6: Final answer
    x = 2,797.83

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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.