Home / 3,709.83-5,118.07-2,216.90

Finding the Fourth Proportional to 3,709.83, 5,118.07 and 2,216.90

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Solution

The fourth proportional to 3,709.83, 5,118.07 and 2,216.90 is: 3,058.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.83 : 5,118.07 = 2,216.90 : x
  2. Step 2: Convert to fraction form
    3,709.83/5,118.07 = 2,216.90/x
  3. Step 3: Cross multiply
    3,709.83x = 5,118.07 × 2,216.90
  4. Step 4: Simplify right side
    3,709.83x = 11,346,212.71
  5. Step 5: Solve for x
    x = 11,346,212.71/3,709.83
  6. Step 6: Final answer
    x = 3,058.42

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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.