Home / 2,745.22-4,133.03-1,885.18

Finding the Fourth Proportional to 2,745.22, 4,133.03 and 1,885.18

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Solution

The fourth proportional to 2,745.22, 4,133.03 and 1,885.18 is: 2,838.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.22 : 4,133.03 = 1,885.18 : x
  2. Step 2: Convert to fraction form
    2,745.22/4,133.03 = 1,885.18/x
  3. Step 3: Cross multiply
    2,745.22x = 4,133.03 × 1,885.18
  4. Step 4: Simplify right side
    2,745.22x = 7,791,505.50
  5. Step 5: Solve for x
    x = 7,791,505.50/2,745.22
  6. Step 6: Final answer
    x = 2,838.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.