Home / 3,438.93-5,154.84-1,356.11

Finding the Fourth Proportional to 3,438.93, 5,154.84 and 1,356.11

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Solution

The fourth proportional to 3,438.93, 5,154.84 and 1,356.11 is: 2,032.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.93 : 5,154.84 = 1,356.11 : x
  2. Step 2: Convert to fraction form
    3,438.93/5,154.84 = 1,356.11/x
  3. Step 3: Cross multiply
    3,438.93x = 5,154.84 × 1,356.11
  4. Step 4: Simplify right side
    3,438.93x = 6,990,530.07
  5. Step 5: Solve for x
    x = 6,990,530.07/3,438.93
  6. Step 6: Final answer
    x = 2,032.76

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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.