Home / 3,611.46-4,982.94-2,947.26

Finding the Fourth Proportional to 3,611.46, 4,982.94 and 2,947.26

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Solution

The fourth proportional to 3,611.46, 4,982.94 and 2,947.26 is: 4,066.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.46 : 4,982.94 = 2,947.26 : x
  2. Step 2: Convert to fraction form
    3,611.46/4,982.94 = 2,947.26/x
  3. Step 3: Cross multiply
    3,611.46x = 4,982.94 × 2,947.26
  4. Step 4: Simplify right side
    3,611.46x = 14,686,019.74
  5. Step 5: Solve for x
    x = 14,686,019.74/3,611.46
  6. Step 6: Final answer
    x = 4,066.50

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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.