Home / 2,357.52-3,536.22-1,125.80

Finding the Fourth Proportional to 2,357.52, 3,536.22 and 1,125.80

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Solution

The fourth proportional to 2,357.52, 3,536.22 and 1,125.80 is: 1,688.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.52 : 3,536.22 = 1,125.80 : x
  2. Step 2: Convert to fraction form
    2,357.52/3,536.22 = 1,125.80/x
  3. Step 3: Cross multiply
    2,357.52x = 3,536.22 × 1,125.80
  4. Step 4: Simplify right side
    2,357.52x = 3,981,076.48
  5. Step 5: Solve for x
    x = 3,981,076.48/2,357.52
  6. Step 6: Final answer
    x = 1,688.67

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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.