Home / 3,750.76-5,175.88-2,072.10

Finding the Fourth Proportional to 3,750.76, 5,175.88 and 2,072.10

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Solution

The fourth proportional to 3,750.76, 5,175.88 and 2,072.10 is: 2,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.76 : 5,175.88 = 2,072.10 : x
  2. Step 2: Convert to fraction form
    3,750.76/5,175.88 = 2,072.10/x
  3. Step 3: Cross multiply
    3,750.76x = 5,175.88 × 2,072.10
  4. Step 4: Simplify right side
    3,750.76x = 10,724,940.95
  5. Step 5: Solve for x
    x = 10,724,940.95/3,750.76
  6. Step 6: Final answer
    x = 2,859.40

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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.