Home / 3,993.84-5,511.51-2,225.52

Finding the Fourth Proportional to 3,993.84, 5,511.51 and 2,225.52

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Solution

The fourth proportional to 3,993.84, 5,511.51 and 2,225.52 is: 3,071.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.84 : 5,511.51 = 2,225.52 : x
  2. Step 2: Convert to fraction form
    3,993.84/5,511.51 = 2,225.52/x
  3. Step 3: Cross multiply
    3,993.84x = 5,511.51 × 2,225.52
  4. Step 4: Simplify right side
    3,993.84x = 12,265,975.74
  5. Step 5: Solve for x
    x = 12,265,975.74/3,993.84
  6. Step 6: Final answer
    x = 3,071.22

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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.