Home / 2,548.32-3,818.05-1,379.13

Finding the Fourth Proportional to 2,548.32, 3,818.05 and 1,379.13

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Solution

The fourth proportional to 2,548.32, 3,818.05 and 1,379.13 is: 2,066.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.32 : 3,818.05 = 1,379.13 : x
  2. Step 2: Convert to fraction form
    2,548.32/3,818.05 = 1,379.13/x
  3. Step 3: Cross multiply
    2,548.32x = 3,818.05 × 1,379.13
  4. Step 4: Simplify right side
    2,548.32x = 5,265,577.29
  5. Step 5: Solve for x
    x = 5,265,577.29/2,548.32
  6. Step 6: Final answer
    x = 2,066.29

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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.