Home / 3,562.24-5,344.80-1,918.72

Finding the Fourth Proportional to 3,562.24, 5,344.80 and 1,918.72

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Solution

The fourth proportional to 3,562.24, 5,344.80 and 1,918.72 is: 2,878.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.24 : 5,344.80 = 1,918.72 : x
  2. Step 2: Convert to fraction form
    3,562.24/5,344.80 = 1,918.72/x
  3. Step 3: Cross multiply
    3,562.24x = 5,344.80 × 1,918.72
  4. Step 4: Simplify right side
    3,562.24x = 10,255,174.66
  5. Step 5: Solve for x
    x = 10,255,174.66/3,562.24
  6. Step 6: Final answer
    x = 2,878.86

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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.