Home / 3,850.55-5,312.19-2,954.45

Finding the Fourth Proportional to 3,850.55, 5,312.19 and 2,954.45

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Solution

The fourth proportional to 3,850.55, 5,312.19 and 2,954.45 is: 4,075.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.55 : 5,312.19 = 2,954.45 : x
  2. Step 2: Convert to fraction form
    3,850.55/5,312.19 = 2,954.45/x
  3. Step 3: Cross multiply
    3,850.55x = 5,312.19 × 2,954.45
  4. Step 4: Simplify right side
    3,850.55x = 15,694,573.18
  5. Step 5: Solve for x
    x = 15,694,573.18/3,850.55
  6. Step 6: Final answer
    x = 4,075.94

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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.