Home / 3,853.92-5,315.95-2,527.71

Finding the Fourth Proportional to 3,853.92, 5,315.95 and 2,527.71

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Solution

The fourth proportional to 3,853.92, 5,315.95 and 2,527.71 is: 3,486.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.92 : 5,315.95 = 2,527.71 : x
  2. Step 2: Convert to fraction form
    3,853.92/5,315.95 = 2,527.71/x
  3. Step 3: Cross multiply
    3,853.92x = 5,315.95 × 2,527.71
  4. Step 4: Simplify right side
    3,853.92x = 13,437,179.97
  5. Step 5: Solve for x
    x = 13,437,179.97/3,853.92
  6. Step 6: Final answer
    x = 3,486.63

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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.