Home / 3,455.48-5,188.44-2,165.24

Finding the Fourth Proportional to 3,455.48, 5,188.44 and 2,165.24

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Solution

The fourth proportional to 3,455.48, 5,188.44 and 2,165.24 is: 3,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.48 : 5,188.44 = 2,165.24 : x
  2. Step 2: Convert to fraction form
    3,455.48/5,188.44 = 2,165.24/x
  3. Step 3: Cross multiply
    3,455.48x = 5,188.44 × 2,165.24
  4. Step 4: Simplify right side
    3,455.48x = 11,234,217.83
  5. Step 5: Solve for x
    x = 11,234,217.83/3,455.48
  6. Step 6: Final answer
    x = 3,251.13

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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.