Home / 4,121.88-5,688.54-2,528.52

Finding the Fourth Proportional to 4,121.88, 5,688.54 and 2,528.52

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Solution

The fourth proportional to 4,121.88, 5,688.54 and 2,528.52 is: 3,489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.88 : 5,688.54 = 2,528.52 : x
  2. Step 2: Convert to fraction form
    4,121.88/5,688.54 = 2,528.52/x
  3. Step 3: Cross multiply
    4,121.88x = 5,688.54 × 2,528.52
  4. Step 4: Simplify right side
    4,121.88x = 14,383,587.16
  5. Step 5: Solve for x
    x = 14,383,587.16/4,121.88
  6. Step 6: Final answer
    x = 3,489.57

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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.