Home / 3,555.44-5,335.68-1,247.12

Finding the Fourth Proportional to 3,555.44, 5,335.68 and 1,247.12

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Solution

The fourth proportional to 3,555.44, 5,335.68 and 1,247.12 is: 1,871.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.44 : 5,335.68 = 1,247.12 : x
  2. Step 2: Convert to fraction form
    3,555.44/5,335.68 = 1,247.12/x
  3. Step 3: Cross multiply
    3,555.44x = 5,335.68 × 1,247.12
  4. Step 4: Simplify right side
    3,555.44x = 6,654,233.24
  5. Step 5: Solve for x
    x = 6,654,233.24/3,555.44
  6. Step 6: Final answer
    x = 1,871.56

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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.