Home / 2,348.59-3,240.94-1,286.41

Finding the Fourth Proportional to 2,348.59, 3,240.94 and 1,286.41

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Solution

The fourth proportional to 2,348.59, 3,240.94 and 1,286.41 is: 1,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.59 : 3,240.94 = 1,286.41 : x
  2. Step 2: Convert to fraction form
    2,348.59/3,240.94 = 1,286.41/x
  3. Step 3: Cross multiply
    2,348.59x = 3,240.94 × 1,286.41
  4. Step 4: Simplify right side
    2,348.59x = 4,169,177.63
  5. Step 5: Solve for x
    x = 4,169,177.63/2,348.59
  6. Step 6: Final answer
    x = 1,775.18

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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.