Home / 2,201.39-3,037.61-1,257.35

Finding the Fourth Proportional to 2,201.39, 3,037.61 and 1,257.35

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Solution

The fourth proportional to 2,201.39, 3,037.61 and 1,257.35 is: 1,734.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.39 : 3,037.61 = 1,257.35 : x
  2. Step 2: Convert to fraction form
    2,201.39/3,037.61 = 1,257.35/x
  3. Step 3: Cross multiply
    2,201.39x = 3,037.61 × 1,257.35
  4. Step 4: Simplify right side
    2,201.39x = 3,819,332.65
  5. Step 5: Solve for x
    x = 3,819,332.65/2,201.39
  6. Step 6: Final answer
    x = 1,734.96

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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.