Home / 3,683.84-5,082.02-2,190.92

Finding the Fourth Proportional to 3,683.84, 5,082.02 and 2,190.92

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Solution

The fourth proportional to 3,683.84, 5,082.02 and 2,190.92 is: 3,022.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.84 : 5,082.02 = 2,190.92 : x
  2. Step 2: Convert to fraction form
    3,683.84/5,082.02 = 2,190.92/x
  3. Step 3: Cross multiply
    3,683.84x = 5,082.02 × 2,190.92
  4. Step 4: Simplify right side
    3,683.84x = 11,134,299.26
  5. Step 5: Solve for x
    x = 11,134,299.26/3,683.84
  6. Step 6: Final answer
    x = 3,022.47

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