Home / 3,858.27-5,324.02-2,156.46

Finding the Fourth Proportional to 3,858.27, 5,324.02 and 2,156.46

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Solution

The fourth proportional to 3,858.27, 5,324.02 and 2,156.46 is: 2,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.27 : 5,324.02 = 2,156.46 : x
  2. Step 2: Convert to fraction form
    3,858.27/5,324.02 = 2,156.46/x
  3. Step 3: Cross multiply
    3,858.27x = 5,324.02 × 2,156.46
  4. Step 4: Simplify right side
    3,858.27x = 11,481,036.17
  5. Step 5: Solve for x
    x = 11,481,036.17/3,858.27
  6. Step 6: Final answer
    x = 2,975.70

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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.