Home / 3,091.39-4,263.64-2,717.57

Finding the Fourth Proportional to 3,091.39, 4,263.64 and 2,717.57

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Solution

The fourth proportional to 3,091.39, 4,263.64 and 2,717.57 is: 3,748.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.39 : 4,263.64 = 2,717.57 : x
  2. Step 2: Convert to fraction form
    3,091.39/4,263.64 = 2,717.57/x
  3. Step 3: Cross multiply
    3,091.39x = 4,263.64 × 2,717.57
  4. Step 4: Simplify right side
    3,091.39x = 11,586,726.57
  5. Step 5: Solve for x
    x = 11,586,726.57/3,091.39
  6. Step 6: Final answer
    x = 3,748.07

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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.