Home / 3,626.18-5,438.50-2,291.56

Finding the Fourth Proportional to 3,626.18, 5,438.50 and 2,291.56

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Solution

The fourth proportional to 3,626.18, 5,438.50 and 2,291.56 is: 3,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.18 : 5,438.50 = 2,291.56 : x
  2. Step 2: Convert to fraction form
    3,626.18/5,438.50 = 2,291.56/x
  3. Step 3: Cross multiply
    3,626.18x = 5,438.50 × 2,291.56
  4. Step 4: Simplify right side
    3,626.18x = 12,462,649.06
  5. Step 5: Solve for x
    x = 12,462,649.06/3,626.18
  6. Step 6: Final answer
    x = 3,436.85

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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.