Home / 2,725.49-4,085.39-1,263.44

Finding the Fourth Proportional to 2,725.49, 4,085.39 and 1,263.44

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Solution

The fourth proportional to 2,725.49, 4,085.39 and 1,263.44 is: 1,893.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.49 : 4,085.39 = 1,263.44 : x
  2. Step 2: Convert to fraction form
    2,725.49/4,085.39 = 1,263.44/x
  3. Step 3: Cross multiply
    2,725.49x = 4,085.39 × 1,263.44
  4. Step 4: Simplify right side
    2,725.49x = 5,161,618.40
  5. Step 5: Solve for x
    x = 5,161,618.40/2,725.49
  6. Step 6: Final answer
    x = 1,893.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.