Home / 3,892.05-5,365.44-2,398.95

Finding the Fourth Proportional to 3,892.05, 5,365.44 and 2,398.95

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Solution

The fourth proportional to 3,892.05, 5,365.44 and 2,398.95 is: 3,307.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.05 : 5,365.44 = 2,398.95 : x
  2. Step 2: Convert to fraction form
    3,892.05/5,365.44 = 2,398.95/x
  3. Step 3: Cross multiply
    3,892.05x = 5,365.44 × 2,398.95
  4. Step 4: Simplify right side
    3,892.05x = 12,871,422.29
  5. Step 5: Solve for x
    x = 12,871,422.29/3,892.05
  6. Step 6: Final answer
    x = 3,307.11

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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.