Home / 2,845.20-3,923.10-2,607.06

Finding the Fourth Proportional to 2,845.20, 3,923.10 and 2,607.06

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Solution

The fourth proportional to 2,845.20, 3,923.10 and 2,607.06 is: 3,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.20 : 3,923.10 = 2,607.06 : x
  2. Step 2: Convert to fraction form
    2,845.20/3,923.10 = 2,607.06/x
  3. Step 3: Cross multiply
    2,845.20x = 3,923.10 × 2,607.06
  4. Step 4: Simplify right side
    2,845.20x = 10,227,757.09
  5. Step 5: Solve for x
    x = 10,227,757.09/2,845.20
  6. Step 6: Final answer
    x = 3,594.74

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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.