Home / 3,117.17-4,301.39-1,719.83

Finding the Fourth Proportional to 3,117.17, 4,301.39 and 1,719.83

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Solution

The fourth proportional to 3,117.17, 4,301.39 and 1,719.83 is: 2,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.17 : 4,301.39 = 1,719.83 : x
  2. Step 2: Convert to fraction form
    3,117.17/4,301.39 = 1,719.83/x
  3. Step 3: Cross multiply
    3,117.17x = 4,301.39 × 1,719.83
  4. Step 4: Simplify right side
    3,117.17x = 7,397,659.56
  5. Step 5: Solve for x
    x = 7,397,659.56/3,117.17
  6. Step 6: Final answer
    x = 2,373.20

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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.