Home / 3,885.18-5,363.19-3,681.60

Finding the Fourth Proportional to 3,885.18, 5,363.19 and 3,681.60

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Solution

The fourth proportional to 3,885.18, 5,363.19 and 3,681.60 is: 5,082.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.18 : 5,363.19 = 3,681.60 : x
  2. Step 2: Convert to fraction form
    3,885.18/5,363.19 = 3,681.60/x
  3. Step 3: Cross multiply
    3,885.18x = 5,363.19 × 3,681.60
  4. Step 4: Simplify right side
    3,885.18x = 19,745,120.30
  5. Step 5: Solve for x
    x = 19,745,120.30/3,885.18
  6. Step 6: Final answer
    x = 5,082.16

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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.