Home / 3,515.35-5,273.04-1,324.57

Finding the Fourth Proportional to 3,515.35, 5,273.04 and 1,324.57

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Solution

The fourth proportional to 3,515.35, 5,273.04 and 1,324.57 is: 1,986.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.35 : 5,273.04 = 1,324.57 : x
  2. Step 2: Convert to fraction form
    3,515.35/5,273.04 = 1,324.57/x
  3. Step 3: Cross multiply
    3,515.35x = 5,273.04 × 1,324.57
  4. Step 4: Simplify right side
    3,515.35x = 6,984,510.59
  5. Step 5: Solve for x
    x = 6,984,510.59/3,515.35
  6. Step 6: Final answer
    x = 1,986.86

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Double scale
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Similar ratio
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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.