Home / 3,852.44-5,311.54-3,215.30

Finding the Fourth Proportional to 3,852.44, 5,311.54 and 3,215.30

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Solution

The fourth proportional to 3,852.44, 5,311.54 and 3,215.30 is: 4,433.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.44 : 5,311.54 = 3,215.30 : x
  2. Step 2: Convert to fraction form
    3,852.44/5,311.54 = 3,215.30/x
  3. Step 3: Cross multiply
    3,852.44x = 5,311.54 × 3,215.30
  4. Step 4: Simplify right side
    3,852.44x = 17,078,172.02
  5. Step 5: Solve for x
    x = 17,078,172.02/3,852.44
  6. Step 6: Final answer
    x = 4,433.08

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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.