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Finding the Fourth Proportional to 3,325.92, 4,988.88 and 1,865.10

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Solution

The fourth proportional to 3,325.92, 4,988.88 and 1,865.10 is: 2,797.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.92 : 4,988.88 = 1,865.10 : x
  2. Step 2: Convert to fraction form
    3,325.92/4,988.88 = 1,865.10/x
  3. Step 3: Cross multiply
    3,325.92x = 4,988.88 × 1,865.10
  4. Step 4: Simplify right side
    3,325.92x = 9,304,760.09
  5. Step 5: Solve for x
    x = 9,304,760.09/3,325.92
  6. Step 6: Final answer
    x = 2,797.65

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Similar ratio
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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.