Home / 3,675.21-5,515.56-2,740.29

Finding the Fourth Proportional to 3,675.21, 5,515.56 and 2,740.29

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Solution

The fourth proportional to 3,675.21, 5,515.56 and 2,740.29 is: 4,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.21 : 5,515.56 = 2,740.29 : x
  2. Step 2: Convert to fraction form
    3,675.21/5,515.56 = 2,740.29/x
  3. Step 3: Cross multiply
    3,675.21x = 5,515.56 × 2,740.29
  4. Step 4: Simplify right side
    3,675.21x = 15,114,233.91
  5. Step 5: Solve for x
    x = 15,114,233.91/3,675.21
  6. Step 6: Final answer
    x = 4,112.48

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1.5x scale

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.