Home / 2,225.78-3,072.58-1,599.44

Finding the Fourth Proportional to 2,225.78, 3,072.58 and 1,599.44

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Solution

The fourth proportional to 2,225.78, 3,072.58 and 1,599.44 is: 2,207.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.78 : 3,072.58 = 1,599.44 : x
  2. Step 2: Convert to fraction form
    2,225.78/3,072.58 = 1,599.44/x
  3. Step 3: Cross multiply
    2,225.78x = 3,072.58 × 1,599.44
  4. Step 4: Simplify right side
    2,225.78x = 4,914,407.36
  5. Step 5: Solve for x
    x = 4,914,407.36/2,225.78
  6. Step 6: Final answer
    x = 2,207.95

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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.