Home / 2,160.24-3,241.05-772.63

Finding the Fourth Proportional to 2,160.24, 3,241.05 and 772.63

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Solution

The fourth proportional to 2,160.24, 3,241.05 and 772.63 is: 1,159.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.24 : 3,241.05 = 772.63 : x
  2. Step 2: Convert to fraction form
    2,160.24/3,241.05 = 772.63/x
  3. Step 3: Cross multiply
    2,160.24x = 3,241.05 × 772.63
  4. Step 4: Simplify right side
    2,160.24x = 2,504,132.46
  5. Step 5: Solve for x
    x = 2,504,132.46/2,160.24
  6. Step 6: Final answer
    x = 1,159.19

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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.