Home / 3,964.08-5,475.09-3,170.16

Finding the Fourth Proportional to 3,964.08, 5,475.09 and 3,170.16

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Solution

The fourth proportional to 3,964.08, 5,475.09 and 3,170.16 is: 4,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.08 : 5,475.09 = 3,170.16 : x
  2. Step 2: Convert to fraction form
    3,964.08/5,475.09 = 3,170.16/x
  3. Step 3: Cross multiply
    3,964.08x = 5,475.09 × 3,170.16
  4. Step 4: Simplify right side
    3,964.08x = 17,356,911.31
  5. Step 5: Solve for x
    x = 17,356,911.31/3,964.08
  6. Step 6: Final answer
    x = 4,378.55

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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.