Home / 3,154.39-4,724.40-1,512.10

Finding the Fourth Proportional to 3,154.39, 4,724.40 and 1,512.10

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Solution

The fourth proportional to 3,154.39, 4,724.40 and 1,512.10 is: 2,264.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.39 : 4,724.40 = 1,512.10 : x
  2. Step 2: Convert to fraction form
    3,154.39/4,724.40 = 1,512.10/x
  3. Step 3: Cross multiply
    3,154.39x = 4,724.40 × 1,512.10
  4. Step 4: Simplify right side
    3,154.39x = 7,143,765.24
  5. Step 5: Solve for x
    x = 7,143,765.24/3,154.39
  6. Step 6: Final answer
    x = 2,264.71

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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.