Home / 3,117.08-4,301.70-1,719.92

Finding the Fourth Proportional to 3,117.08, 4,301.70 and 1,719.92

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Solution

The fourth proportional to 3,117.08, 4,301.70 and 1,719.92 is: 2,373.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.08 : 4,301.70 = 1,719.92 : x
  2. Step 2: Convert to fraction form
    3,117.08/4,301.70 = 1,719.92/x
  3. Step 3: Cross multiply
    3,117.08x = 4,301.70 × 1,719.92
  4. Step 4: Simplify right side
    3,117.08x = 7,398,579.86
  5. Step 5: Solve for x
    x = 7,398,579.86/3,117.08
  6. Step 6: Final answer
    x = 2,373.56

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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.