Home / 2,938.11-4,404.86-1,529.12

Finding the Fourth Proportional to 2,938.11, 4,404.86 and 1,529.12

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Solution

The fourth proportional to 2,938.11, 4,404.86 and 1,529.12 is: 2,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.11 : 4,404.86 = 1,529.12 : x
  2. Step 2: Convert to fraction form
    2,938.11/4,404.86 = 1,529.12/x
  3. Step 3: Cross multiply
    2,938.11x = 4,404.86 × 1,529.12
  4. Step 4: Simplify right side
    2,938.11x = 6,735,559.52
  5. Step 5: Solve for x
    x = 6,735,559.52/2,938.11
  6. Step 6: Final answer
    x = 2,292.48

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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.