Home / 3,126.20-4,685.19-1,738.82

Finding the Fourth Proportional to 3,126.20, 4,685.19 and 1,738.82

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Solution

The fourth proportional to 3,126.20, 4,685.19 and 1,738.82 is: 2,605.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.20 : 4,685.19 = 1,738.82 : x
  2. Step 2: Convert to fraction form
    3,126.20/4,685.19 = 1,738.82/x
  3. Step 3: Cross multiply
    3,126.20x = 4,685.19 × 1,738.82
  4. Step 4: Simplify right side
    3,126.20x = 8,146,690.69
  5. Step 5: Solve for x
    x = 8,146,690.69/3,126.20
  6. Step 6: Final answer
    x = 2,605.94

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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.