Home / 3,955.70-5,456.97-2,277.18

Finding the Fourth Proportional to 3,955.70, 5,456.97 and 2,277.18

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Solution

The fourth proportional to 3,955.70, 5,456.97 and 2,277.18 is: 3,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.70 : 5,456.97 = 2,277.18 : x
  2. Step 2: Convert to fraction form
    3,955.70/5,456.97 = 2,277.18/x
  3. Step 3: Cross multiply
    3,955.70x = 5,456.97 × 2,277.18
  4. Step 4: Simplify right side
    3,955.70x = 12,426,502.94
  5. Step 5: Solve for x
    x = 12,426,502.94/3,955.70
  6. Step 6: Final answer
    x = 3,141.41

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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.