Home / 3,611.18-4,981.97-2,214.74

Finding the Fourth Proportional to 3,611.18, 4,981.97 and 2,214.74

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Solution

The fourth proportional to 3,611.18, 4,981.97 and 2,214.74 is: 3,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.18 : 4,981.97 = 2,214.74 : x
  2. Step 2: Convert to fraction form
    3,611.18/4,981.97 = 2,214.74/x
  3. Step 3: Cross multiply
    3,611.18x = 4,981.97 × 2,214.74
  4. Step 4: Simplify right side
    3,611.18x = 11,033,786.23
  5. Step 5: Solve for x
    x = 11,033,786.23/3,611.18
  6. Step 6: Final answer
    x = 3,055.45

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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.