Home / 3,710.24-5,118.52-2,217.68

Finding the Fourth Proportional to 3,710.24, 5,118.52 and 2,217.68

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Solution

The fourth proportional to 3,710.24, 5,118.52 and 2,217.68 is: 3,059.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.24 : 5,118.52 = 2,217.68 : x
  2. Step 2: Convert to fraction form
    3,710.24/5,118.52 = 2,217.68/x
  3. Step 3: Cross multiply
    3,710.24x = 5,118.52 × 2,217.68
  4. Step 4: Simplify right side
    3,710.24x = 11,351,239.43
  5. Step 5: Solve for x
    x = 11,351,239.43/3,710.24
  6. Step 6: Final answer
    x = 3,059.44

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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.