Home / 3,867.53-5,337.23-2,099.15

Finding the Fourth Proportional to 3,867.53, 5,337.23 and 2,099.15

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Solution

The fourth proportional to 3,867.53, 5,337.23 and 2,099.15 is: 2,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.53 : 5,337.23 = 2,099.15 : x
  2. Step 2: Convert to fraction form
    3,867.53/5,337.23 = 2,099.15/x
  3. Step 3: Cross multiply
    3,867.53x = 5,337.23 × 2,099.15
  4. Step 4: Simplify right side
    3,867.53x = 11,203,646.35
  5. Step 5: Solve for x
    x = 11,203,646.35/3,867.53
  6. Step 6: Final answer
    x = 2,896.85

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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.