Home / 3,455.01-5,171.77-2,223.54

Finding the Fourth Proportional to 3,455.01, 5,171.77 and 2,223.54

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Solution

The fourth proportional to 3,455.01, 5,171.77 and 2,223.54 is: 3,328.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.01 : 5,171.77 = 2,223.54 : x
  2. Step 2: Convert to fraction form
    3,455.01/5,171.77 = 2,223.54/x
  3. Step 3: Cross multiply
    3,455.01x = 5,171.77 × 2,223.54
  4. Step 4: Simplify right side
    3,455.01x = 11,499,637.47
  5. Step 5: Solve for x
    x = 11,499,637.47/3,455.01
  6. Step 6: Final answer
    x = 3,328.39

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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.