Home / 3,105.87-4,653.93-2,641.74

Finding the Fourth Proportional to 3,105.87, 4,653.93 and 2,641.74

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Solution

The fourth proportional to 3,105.87, 4,653.93 and 2,641.74 is: 3,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.87 : 4,653.93 = 2,641.74 : x
  2. Step 2: Convert to fraction form
    3,105.87/4,653.93 = 2,641.74/x
  3. Step 3: Cross multiply
    3,105.87x = 4,653.93 × 2,641.74
  4. Step 4: Simplify right side
    3,105.87x = 12,294,473.04
  5. Step 5: Solve for x
    x = 12,294,473.04/3,105.87
  6. Step 6: Final answer
    x = 3,958.46

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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.