Home / 2,458.21-3,687.85-1,806.97

Finding the Fourth Proportional to 2,458.21, 3,687.85 and 1,806.97

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Solution

The fourth proportional to 2,458.21, 3,687.85 and 1,806.97 is: 2,710.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.21 : 3,687.85 = 1,806.97 : x
  2. Step 2: Convert to fraction form
    2,458.21/3,687.85 = 1,806.97/x
  3. Step 3: Cross multiply
    2,458.21x = 3,687.85 × 1,806.97
  4. Step 4: Simplify right side
    2,458.21x = 6,663,809.10
  5. Step 5: Solve for x
    x = 6,663,809.10/2,458.21
  6. Step 6: Final answer
    x = 2,710.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.