Home / 3,511.90-4,845.71-2,236.30

Finding the Fourth Proportional to 3,511.90, 4,845.71 and 2,236.30

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Solution

The fourth proportional to 3,511.90, 4,845.71 and 2,236.30 is: 3,085.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.90 : 4,845.71 = 2,236.30 : x
  2. Step 2: Convert to fraction form
    3,511.90/4,845.71 = 2,236.30/x
  3. Step 3: Cross multiply
    3,511.90x = 4,845.71 × 2,236.30
  4. Step 4: Simplify right side
    3,511.90x = 10,836,437.04
  5. Step 5: Solve for x
    x = 10,836,437.04/3,511.90
  6. Step 6: Final answer
    x = 3,085.63

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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.