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Finding the Fourth Proportional to 3,757.07, 5,184.45 and 2,078.45

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Solution

The fourth proportional to 3,757.07, 5,184.45 and 2,078.45 is: 2,868.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.07 : 5,184.45 = 2,078.45 : x
  2. Step 2: Convert to fraction form
    3,757.07/5,184.45 = 2,078.45/x
  3. Step 3: Cross multiply
    3,757.07x = 5,184.45 × 2,078.45
  4. Step 4: Simplify right side
    3,757.07x = 10,775,594.18
  5. Step 5: Solve for x
    x = 10,775,594.18/3,757.07
  6. Step 6: Final answer
    x = 2,868.09

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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.