Home / 3,439.37-5,155.55-1,356.51

Finding the Fourth Proportional to 3,439.37, 5,155.55 and 1,356.51

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Solution

The fourth proportional to 3,439.37, 5,155.55 and 1,356.51 is: 2,033.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.37 : 5,155.55 = 1,356.51 : x
  2. Step 2: Convert to fraction form
    3,439.37/5,155.55 = 1,356.51/x
  3. Step 3: Cross multiply
    3,439.37x = 5,155.55 × 1,356.51
  4. Step 4: Simplify right side
    3,439.37x = 6,993,548.35
  5. Step 5: Solve for x
    x = 6,993,548.35/3,439.37
  6. Step 6: Final answer
    x = 2,033.38

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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.