Home / 4,142.08-5,724.24-3,394.84

Finding the Fourth Proportional to 4,142.08, 5,724.24 and 3,394.84

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Solution

The fourth proportional to 4,142.08, 5,724.24 and 3,394.84 is: 4,691.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.08 : 5,724.24 = 3,394.84 : x
  2. Step 2: Convert to fraction form
    4,142.08/5,724.24 = 3,394.84/x
  3. Step 3: Cross multiply
    4,142.08x = 5,724.24 × 3,394.84
  4. Step 4: Simplify right side
    4,142.08x = 19,432,878.92
  5. Step 5: Solve for x
    x = 19,432,878.92/4,142.08
  6. Step 6: Final answer
    x = 4,691.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.