Home / 3,754.51-5,621.50-2,715.55

Finding the Fourth Proportional to 3,754.51, 5,621.50 and 2,715.55

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Solution

The fourth proportional to 3,754.51, 5,621.50 and 2,715.55 is: 4,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.51 : 5,621.50 = 2,715.55 : x
  2. Step 2: Convert to fraction form
    3,754.51/5,621.50 = 2,715.55/x
  3. Step 3: Cross multiply
    3,754.51x = 5,621.50 × 2,715.55
  4. Step 4: Simplify right side
    3,754.51x = 15,265,464.33
  5. Step 5: Solve for x
    x = 15,265,464.33/3,754.51
  6. Step 6: Final answer
    x = 4,065.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.