Home / 3,818.33-5,269.31-2,491.25

Finding the Fourth Proportional to 3,818.33, 5,269.31 and 2,491.25

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Solution

The fourth proportional to 3,818.33, 5,269.31 and 2,491.25 is: 3,437.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.33 : 5,269.31 = 2,491.25 : x
  2. Step 2: Convert to fraction form
    3,818.33/5,269.31 = 2,491.25/x
  3. Step 3: Cross multiply
    3,818.33x = 5,269.31 × 2,491.25
  4. Step 4: Simplify right side
    3,818.33x = 13,127,129.73
  5. Step 5: Solve for x
    x = 13,127,129.73/3,818.33
  6. Step 6: Final answer
    x = 3,437.93

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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.