Home / 2,353.78-3,247.99-1,305.82

Finding the Fourth Proportional to 2,353.78, 3,247.99 and 1,305.82

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Solution

The fourth proportional to 2,353.78, 3,247.99 and 1,305.82 is: 1,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.78 : 3,247.99 = 1,305.82 : x
  2. Step 2: Convert to fraction form
    2,353.78/3,247.99 = 1,305.82/x
  3. Step 3: Cross multiply
    2,353.78x = 3,247.99 × 1,305.82
  4. Step 4: Simplify right side
    2,353.78x = 4,241,290.30
  5. Step 5: Solve for x
    x = 4,241,290.30/2,353.78
  6. Step 6: Final answer
    x = 1,801.91

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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.