Home / 3,757.76-5,637.50-1,292.56

Finding the Fourth Proportional to 3,757.76, 5,637.50 and 1,292.56

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Solution

The fourth proportional to 3,757.76, 5,637.50 and 1,292.56 is: 1,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.76 : 5,637.50 = 1,292.56 : x
  2. Step 2: Convert to fraction form
    3,757.76/5,637.50 = 1,292.56/x
  3. Step 3: Cross multiply
    3,757.76x = 5,637.50 × 1,292.56
  4. Step 4: Simplify right side
    3,757.76x = 7,286,807
  5. Step 5: Solve for x
    x = 7,286,807/3,757.76
  6. Step 6: Final answer
    x = 1,939.14

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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.