Home / 3,116.92-4,301.32-1,719.66

Finding the Fourth Proportional to 3,116.92, 4,301.32 and 1,719.66

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Solution

The fourth proportional to 3,116.92, 4,301.32 and 1,719.66 is: 2,373.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.92 : 4,301.32 = 1,719.66 : x
  2. Step 2: Convert to fraction form
    3,116.92/4,301.32 = 1,719.66/x
  3. Step 3: Cross multiply
    3,116.92x = 4,301.32 × 1,719.66
  4. Step 4: Simplify right side
    3,116.92x = 7,396,807.95
  5. Step 5: Solve for x
    x = 7,396,807.95/3,116.92
  6. Step 6: Final answer
    x = 2,373.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.