Home / 3,144.75-4,338.54-2,397.93

Finding the Fourth Proportional to 3,144.75, 4,338.54 and 2,397.93

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Solution

The fourth proportional to 3,144.75, 4,338.54 and 2,397.93 is: 3,308.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.75 : 4,338.54 = 2,397.93 : x
  2. Step 2: Convert to fraction form
    3,144.75/4,338.54 = 2,397.93/x
  3. Step 3: Cross multiply
    3,144.75x = 4,338.54 × 2,397.93
  4. Step 4: Simplify right side
    3,144.75x = 10,403,515.22
  5. Step 5: Solve for x
    x = 10,403,515.22/3,144.75
  6. Step 6: Final answer
    x = 3,308.22

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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.