Home / 3,117.06-4,301.19-1,719.81

Finding the Fourth Proportional to 3,117.06, 4,301.19 and 1,719.81

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Solution

The fourth proportional to 3,117.06, 4,301.19 and 1,719.81 is: 2,373.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.06 : 4,301.19 = 1,719.81 : x
  2. Step 2: Convert to fraction form
    3,117.06/4,301.19 = 1,719.81/x
  3. Step 3: Cross multiply
    3,117.06x = 4,301.19 × 1,719.81
  4. Step 4: Simplify right side
    3,117.06x = 7,397,229.57
  5. Step 5: Solve for x
    x = 7,397,229.57/3,117.06
  6. Step 6: Final answer
    x = 2,373.14

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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.