Home / 3,515.70-4,853.61-2,631.18

Finding the Fourth Proportional to 3,515.70, 4,853.61 and 2,631.18

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Solution

The fourth proportional to 3,515.70, 4,853.61 and 2,631.18 is: 3,632.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.70 : 4,853.61 = 2,631.18 : x
  2. Step 2: Convert to fraction form
    3,515.70/4,853.61 = 2,631.18/x
  3. Step 3: Cross multiply
    3,515.70x = 4,853.61 × 2,631.18
  4. Step 4: Simplify right side
    3,515.70x = 12,770,721.56
  5. Step 5: Solve for x
    x = 12,770,721.56/3,515.70
  6. Step 6: Final answer
    x = 3,632.48

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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.