Home / 3,965.30-5,942.78-2,210.23

Finding the Fourth Proportional to 3,965.30, 5,942.78 and 2,210.23

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Solution

The fourth proportional to 3,965.30, 5,942.78 and 2,210.23 is: 3,312.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.30 : 5,942.78 = 2,210.23 : x
  2. Step 2: Convert to fraction form
    3,965.30/5,942.78 = 2,210.23/x
  3. Step 3: Cross multiply
    3,965.30x = 5,942.78 × 2,210.23
  4. Step 4: Simplify right side
    3,965.30x = 13,134,884.73
  5. Step 5: Solve for x
    x = 13,134,884.73/3,965.30
  6. Step 6: Final answer
    x = 3,312.46

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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.