Home / 3,984.48-5,498.44-2,216.05

Finding the Fourth Proportional to 3,984.48, 5,498.44 and 2,216.05

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Solution

The fourth proportional to 3,984.48, 5,498.44 and 2,216.05 is: 3,058.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.48 : 5,498.44 = 2,216.05 : x
  2. Step 2: Convert to fraction form
    3,984.48/5,498.44 = 2,216.05/x
  3. Step 3: Cross multiply
    3,984.48x = 5,498.44 × 2,216.05
  4. Step 4: Simplify right side
    3,984.48x = 12,184,798.68
  5. Step 5: Solve for x
    x = 12,184,798.68/3,984.48
  6. Step 6: Final answer
    x = 3,058.06

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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.