Home / 3,760.26-5,641.74-1,680.09

Finding the Fourth Proportional to 3,760.26, 5,641.74 and 1,680.09

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Solution

The fourth proportional to 3,760.26, 5,641.74 and 1,680.09 is: 2,520.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.26 : 5,641.74 = 1,680.09 : x
  2. Step 2: Convert to fraction form
    3,760.26/5,641.74 = 1,680.09/x
  3. Step 3: Cross multiply
    3,760.26x = 5,641.74 × 1,680.09
  4. Step 4: Simplify right side
    3,760.26x = 9,478,630.96
  5. Step 5: Solve for x
    x = 9,478,630.96/3,760.26
  6. Step 6: Final answer
    x = 2,520.74

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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.