Home / 3,394.05-5,066.12-3,156.09

Finding the Fourth Proportional to 3,394.05, 5,066.12 and 3,156.09

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Solution

The fourth proportional to 3,394.05, 5,066.12 and 3,156.09 is: 4,710.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.05 : 5,066.12 = 3,156.09 : x
  2. Step 2: Convert to fraction form
    3,394.05/5,066.12 = 3,156.09/x
  3. Step 3: Cross multiply
    3,394.05x = 5,066.12 × 3,156.09
  4. Step 4: Simplify right side
    3,394.05x = 15,989,114.46
  5. Step 5: Solve for x
    x = 15,989,114.46/3,394.05
  6. Step 6: Final answer
    x = 4,710.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.