Home / 3,427.72-5,144.04-2,564.32

Finding the Fourth Proportional to 3,427.72, 5,144.04 and 2,564.32

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Solution

The fourth proportional to 3,427.72, 5,144.04 and 2,564.32 is: 3,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.72 : 5,144.04 = 2,564.32 : x
  2. Step 2: Convert to fraction form
    3,427.72/5,144.04 = 2,564.32/x
  3. Step 3: Cross multiply
    3,427.72x = 5,144.04 × 2,564.32
  4. Step 4: Simplify right side
    3,427.72x = 13,190,964.65
  5. Step 5: Solve for x
    x = 13,190,964.65/3,427.72
  6. Step 6: Final answer
    x = 3,848.32

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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.