Home / 3,419.02-5,127.39-1,338.52

Finding the Fourth Proportional to 3,419.02, 5,127.39 and 1,338.52

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Solution

The fourth proportional to 3,419.02, 5,127.39 and 1,338.52 is: 2,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.02 : 5,127.39 = 1,338.52 : x
  2. Step 2: Convert to fraction form
    3,419.02/5,127.39 = 1,338.52/x
  3. Step 3: Cross multiply
    3,419.02x = 5,127.39 × 1,338.52
  4. Step 4: Simplify right side
    3,419.02x = 6,863,114.06
  5. Step 5: Solve for x
    x = 6,863,114.06/3,419.02
  6. Step 6: Final answer
    x = 2,007.33

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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.