Home / 3,875.06-5,324.25-3,087.74

Finding the Fourth Proportional to 3,875.06, 5,324.25 and 3,087.74

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Solution

The fourth proportional to 3,875.06, 5,324.25 and 3,087.74 is: 4,242.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.06 : 5,324.25 = 3,087.74 : x
  2. Step 2: Convert to fraction form
    3,875.06/5,324.25 = 3,087.74/x
  3. Step 3: Cross multiply
    3,875.06x = 5,324.25 × 3,087.74
  4. Step 4: Simplify right side
    3,875.06x = 16,439,884.26
  5. Step 5: Solve for x
    x = 16,439,884.26/3,875.06
  6. Step 6: Final answer
    x = 4,242.49

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Half scale
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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 (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.