Home / 3,542.88-5,315.07-1,077.87

Finding the Fourth Proportional to 3,542.88, 5,315.07 and 1,077.87

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Solution

The fourth proportional to 3,542.88, 5,315.07 and 1,077.87 is: 1,617.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.88 : 5,315.07 = 1,077.87 : x
  2. Step 2: Convert to fraction form
    3,542.88/5,315.07 = 1,077.87/x
  3. Step 3: Cross multiply
    3,542.88x = 5,315.07 × 1,077.87
  4. Step 4: Simplify right side
    3,542.88x = 5,728,954.50
  5. Step 5: Solve for x
    x = 5,728,954.50/3,542.88
  6. Step 6: Final answer
    x = 1,617.03

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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.