Home / 3,555.88-5,333.82-1,247.38

Finding the Fourth Proportional to 3,555.88, 5,333.82 and 1,247.38

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Solution

The fourth proportional to 3,555.88, 5,333.82 and 1,247.38 is: 1,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.88 : 5,333.82 = 1,247.38 : x
  2. Step 2: Convert to fraction form
    3,555.88/5,333.82 = 1,247.38/x
  3. Step 3: Cross multiply
    3,555.88x = 5,333.82 × 1,247.38
  4. Step 4: Simplify right side
    3,555.88x = 6,653,300.39
  5. Step 5: Solve for x
    x = 6,653,300.39/3,555.88
  6. Step 6: Final answer
    x = 1,871.07

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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.