Home / 3,134.10-4,719.48-2,318.13

Finding the Fourth Proportional to 3,134.10, 4,719.48 and 2,318.13

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Solution

The fourth proportional to 3,134.10, 4,719.48 and 2,318.13 is: 3,490.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.10 : 4,719.48 = 2,318.13 : x
  2. Step 2: Convert to fraction form
    3,134.10/4,719.48 = 2,318.13/x
  3. Step 3: Cross multiply
    3,134.10x = 4,719.48 × 2,318.13
  4. Step 4: Simplify right side
    3,134.10x = 10,940,368.17
  5. Step 5: Solve for x
    x = 10,940,368.17/3,134.10
  6. Step 6: Final answer
    x = 3,490.75

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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.