Home / 3,745.18-5,167.42-2,289.59

Finding the Fourth Proportional to 3,745.18, 5,167.42 and 2,289.59

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Solution

The fourth proportional to 3,745.18, 5,167.42 and 2,289.59 is: 3,159.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.18 : 5,167.42 = 2,289.59 : x
  2. Step 2: Convert to fraction form
    3,745.18/5,167.42 = 2,289.59/x
  3. Step 3: Cross multiply
    3,745.18x = 5,167.42 × 2,289.59
  4. Step 4: Simplify right side
    3,745.18x = 11,831,265.96
  5. Step 5: Solve for x
    x = 11,831,265.96/3,745.18
  6. Step 6: Final answer
    x = 3,159.07

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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.