Home / 2,445.21-3,375.14-1,951.25

Finding the Fourth Proportional to 2,445.21, 3,375.14 and 1,951.25

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Solution

The fourth proportional to 2,445.21, 3,375.14 and 1,951.25 is: 2,693.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.21 : 3,375.14 = 1,951.25 : x
  2. Step 2: Convert to fraction form
    2,445.21/3,375.14 = 1,951.25/x
  3. Step 3: Cross multiply
    2,445.21x = 3,375.14 × 1,951.25
  4. Step 4: Simplify right side
    2,445.21x = 6,585,741.93
  5. Step 5: Solve for x
    x = 6,585,741.93/2,445.21
  6. Step 6: Final answer
    x = 2,693.32

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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.