Home / 3,789.23-5,689.14-1,941.62

Finding the Fourth Proportional to 3,789.23, 5,689.14 and 1,941.62

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Solution

The fourth proportional to 3,789.23, 5,689.14 and 1,941.62 is: 2,915.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.23 : 5,689.14 = 1,941.62 : x
  2. Step 2: Convert to fraction form
    3,789.23/5,689.14 = 1,941.62/x
  3. Step 3: Cross multiply
    3,789.23x = 5,689.14 × 1,941.62
  4. Step 4: Simplify right side
    3,789.23x = 11,046,148.01
  5. Step 5: Solve for x
    x = 11,046,148.01/3,789.23
  6. Step 6: Final answer
    x = 2,915.14

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1.5x scale

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.