Home / 3,803.70-5,263.47-3,243.27

Finding the Fourth Proportional to 3,803.70, 5,263.47 and 3,243.27

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Solution

The fourth proportional to 3,803.70, 5,263.47 and 3,243.27 is: 4,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.70 : 5,263.47 = 3,243.27 : x
  2. Step 2: Convert to fraction form
    3,803.70/5,263.47 = 3,243.27/x
  3. Step 3: Cross multiply
    3,803.70x = 5,263.47 × 3,243.27
  4. Step 4: Simplify right side
    3,803.70x = 17,070,854.35
  5. Step 5: Solve for x
    x = 17,070,854.35/3,803.70
  6. Step 6: Final answer
    x = 4,487.96

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Half scale
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Double scale
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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.