Home / 2,349.92-3,241.42-1,511.72

Finding the Fourth Proportional to 2,349.92, 3,241.42 and 1,511.72

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Solution

The fourth proportional to 2,349.92, 3,241.42 and 1,511.72 is: 2,085.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.92 : 3,241.42 = 1,511.72 : x
  2. Step 2: Convert to fraction form
    2,349.92/3,241.42 = 1,511.72/x
  3. Step 3: Cross multiply
    2,349.92x = 3,241.42 × 1,511.72
  4. Step 4: Simplify right side
    2,349.92x = 4,900,119.44
  5. Step 5: Solve for x
    x = 4,900,119.44/2,349.92
  6. Step 6: Final answer
    x = 2,085.23

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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.