Home / 3,818.28-5,268.06-2,491.50

Finding the Fourth Proportional to 3,818.28, 5,268.06 and 2,491.50

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Solution

The fourth proportional to 3,818.28, 5,268.06 and 2,491.50 is: 3,437.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.28 : 5,268.06 = 2,491.50 : x
  2. Step 2: Convert to fraction form
    3,818.28/5,268.06 = 2,491.50/x
  3. Step 3: Cross multiply
    3,818.28x = 5,268.06 × 2,491.50
  4. Step 4: Simplify right side
    3,818.28x = 13,125,371.49
  5. Step 5: Solve for x
    x = 13,125,371.49/3,818.28
  6. Step 6: Final answer
    x = 3,437.51

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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.