Home / 2,445.21-3,666.26-1,863.97

Finding the Fourth Proportional to 2,445.21, 3,666.26 and 1,863.97

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Solution

The fourth proportional to 2,445.21, 3,666.26 and 1,863.97 is: 2,794.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.21 : 3,666.26 = 1,863.97 : x
  2. Step 2: Convert to fraction form
    2,445.21/3,666.26 = 1,863.97/x
  3. Step 3: Cross multiply
    2,445.21x = 3,666.26 × 1,863.97
  4. Step 4: Simplify right side
    2,445.21x = 6,833,794.15
  5. Step 5: Solve for x
    x = 6,833,794.15/2,445.21
  6. Step 6: Final answer
    x = 2,794.77

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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.