Home / 3,618.21-5,427.33-2,892.42

Finding the Fourth Proportional to 3,618.21, 5,427.33 and 2,892.42

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Solution

The fourth proportional to 3,618.21, 5,427.33 and 2,892.42 is: 4,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.21 : 5,427.33 = 2,892.42 : x
  2. Step 2: Convert to fraction form
    3,618.21/5,427.33 = 2,892.42/x
  3. Step 3: Cross multiply
    3,618.21x = 5,427.33 × 2,892.42
  4. Step 4: Simplify right side
    3,618.21x = 15,698,117.84
  5. Step 5: Solve for x
    x = 15,698,117.84/3,618.21
  6. Step 6: Final answer
    x = 4,338.64

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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.