Home / 3,751.45-5,176.98-2,072.72

Finding the Fourth Proportional to 3,751.45, 5,176.98 and 2,072.72

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Solution

The fourth proportional to 3,751.45, 5,176.98 and 2,072.72 is: 2,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.45 : 5,176.98 = 2,072.72 : x
  2. Step 2: Convert to fraction form
    3,751.45/5,176.98 = 2,072.72/x
  3. Step 3: Cross multiply
    3,751.45x = 5,176.98 × 2,072.72
  4. Step 4: Simplify right side
    3,751.45x = 10,730,442.93
  5. Step 5: Solve for x
    x = 10,730,442.93/3,751.45
  6. Step 6: Final answer
    x = 2,860.35

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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.