Home / 2,600.94-3,901.35-845.85

Finding the Fourth Proportional to 2,600.94, 3,901.35 and 845.85

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Solution

The fourth proportional to 2,600.94, 3,901.35 and 845.85 is: 1,268.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.94 : 3,901.35 = 845.85 : x
  2. Step 2: Convert to fraction form
    2,600.94/3,901.35 = 845.85/x
  3. Step 3: Cross multiply
    2,600.94x = 3,901.35 × 845.85
  4. Step 4: Simplify right side
    2,600.94x = 3,299,956.90
  5. Step 5: Solve for x
    x = 3,299,956.90/2,600.94
  6. Step 6: Final answer
    x = 1,268.76

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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.