Home / 3,709.48-5,118.58-2,217.08

Finding the Fourth Proportional to 3,709.48, 5,118.58 and 2,217.08

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Solution

The fourth proportional to 3,709.48, 5,118.58 and 2,217.08 is: 3,059.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.48 : 5,118.58 = 2,217.08 : x
  2. Step 2: Convert to fraction form
    3,709.48/5,118.58 = 2,217.08/x
  3. Step 3: Cross multiply
    3,709.48x = 5,118.58 × 2,217.08
  4. Step 4: Simplify right side
    3,709.48x = 11,348,301.35
  5. Step 5: Solve for x
    x = 11,348,301.35/3,709.48
  6. Step 6: Final answer
    x = 3,059.27

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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.