Home / 3,424.36-5,137.80-1,782.04

Finding the Fourth Proportional to 3,424.36, 5,137.80 and 1,782.04

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Solution

The fourth proportional to 3,424.36, 5,137.80 and 1,782.04 is: 2,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.36 : 5,137.80 = 1,782.04 : x
  2. Step 2: Convert to fraction form
    3,424.36/5,137.80 = 1,782.04/x
  3. Step 3: Cross multiply
    3,424.36x = 5,137.80 × 1,782.04
  4. Step 4: Simplify right side
    3,424.36x = 9,155,765.11
  5. Step 5: Solve for x
    x = 9,155,765.11/3,424.36
  6. Step 6: Final answer
    x = 2,673.72

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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.