Home / 2,257.03-3,387.37-1,161.71

Finding the Fourth Proportional to 2,257.03, 3,387.37 and 1,161.71

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Solution

The fourth proportional to 2,257.03, 3,387.37 and 1,161.71 is: 1,743.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.03 : 3,387.37 = 1,161.71 : x
  2. Step 2: Convert to fraction form
    2,257.03/3,387.37 = 1,161.71/x
  3. Step 3: Cross multiply
    2,257.03x = 3,387.37 × 1,161.71
  4. Step 4: Simplify right side
    2,257.03x = 3,935,136.64
  5. Step 5: Solve for x
    x = 3,935,136.64/2,257.03
  6. Step 6: Final answer
    x = 1,743.50

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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.