Home / 4,121.88-5,688.56-2,353.56

Finding the Fourth Proportional to 4,121.88, 5,688.56 and 2,353.56

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Solution

The fourth proportional to 4,121.88, 5,688.56 and 2,353.56 is: 3,248.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.88 : 5,688.56 = 2,353.56 : x
  2. Step 2: Convert to fraction form
    4,121.88/5,688.56 = 2,353.56/x
  3. Step 3: Cross multiply
    4,121.88x = 5,688.56 × 2,353.56
  4. Step 4: Simplify right side
    4,121.88x = 13,388,367.27
  5. Step 5: Solve for x
    x = 13,388,367.27/4,121.88
  6. Step 6: Final answer
    x = 3,248.12

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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.