Home / 3,964.20-5,465.22-3,342.12

Finding the Fourth Proportional to 3,964.20, 5,465.22 and 3,342.12

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Solution

The fourth proportional to 3,964.20, 5,465.22 and 3,342.12 is: 4,607.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.20 : 5,465.22 = 3,342.12 : x
  2. Step 2: Convert to fraction form
    3,964.20/5,465.22 = 3,342.12/x
  3. Step 3: Cross multiply
    3,964.20x = 5,465.22 × 3,342.12
  4. Step 4: Simplify right side
    3,964.20x = 18,265,421.07
  5. Step 5: Solve for x
    x = 18,265,421.07/3,964.20
  6. Step 6: Final answer
    x = 4,607.59

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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.