Home / 2,217.80-3,327.14-757.10

Finding the Fourth Proportional to 2,217.80, 3,327.14 and 757.10

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Solution

The fourth proportional to 2,217.80, 3,327.14 and 757.10 is: 1,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.80 : 3,327.14 = 757.10 : x
  2. Step 2: Convert to fraction form
    2,217.80/3,327.14 = 757.10/x
  3. Step 3: Cross multiply
    2,217.80x = 3,327.14 × 757.10
  4. Step 4: Simplify right side
    2,217.80x = 2,518,977.69
  5. Step 5: Solve for x
    x = 2,518,977.69/2,217.80
  6. Step 6: Final answer
    x = 1,135.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.