Home / 3,601.76-5,402.43-1,260.86

Finding the Fourth Proportional to 3,601.76, 5,402.43 and 1,260.86

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Solution

The fourth proportional to 3,601.76, 5,402.43 and 1,260.86 is: 1,891.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.76 : 5,402.43 = 1,260.86 : x
  2. Step 2: Convert to fraction form
    3,601.76/5,402.43 = 1,260.86/x
  3. Step 3: Cross multiply
    3,601.76x = 5,402.43 × 1,260.86
  4. Step 4: Simplify right side
    3,601.76x = 6,811,680.88
  5. Step 5: Solve for x
    x = 6,811,680.88/3,601.76
  6. Step 6: Final answer
    x = 1,891.21

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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.