Home / 3,134.73-4,720.41-2,318.76

Finding the Fourth Proportional to 3,134.73, 4,720.41 and 2,318.76

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Solution

The fourth proportional to 3,134.73, 4,720.41 and 2,318.76 is: 3,491.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.73 : 4,720.41 = 2,318.76 : x
  2. Step 2: Convert to fraction form
    3,134.73/4,720.41 = 2,318.76/x
  3. Step 3: Cross multiply
    3,134.73x = 4,720.41 × 2,318.76
  4. Step 4: Simplify right side
    3,134.73x = 10,945,497.89
  5. Step 5: Solve for x
    x = 10,945,497.89/3,134.73
  6. Step 6: Final answer
    x = 3,491.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.