Home / 3,984.66-5,498.21-2,216.26

Finding the Fourth Proportional to 3,984.66, 5,498.21 and 2,216.26

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Solution

The fourth proportional to 3,984.66, 5,498.21 and 2,216.26 is: 3,058.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.66 : 5,498.21 = 2,216.26 : x
  2. Step 2: Convert to fraction form
    3,984.66/5,498.21 = 2,216.26/x
  3. Step 3: Cross multiply
    3,984.66x = 5,498.21 × 2,216.26
  4. Step 4: Simplify right side
    3,984.66x = 12,185,462.89
  5. Step 5: Solve for x
    x = 12,185,462.89/3,984.66
  6. Step 6: Final answer
    x = 3,058.09

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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.