Home / 3,758.18-5,637.86-1,292.38

Finding the Fourth Proportional to 3,758.18, 5,637.86 and 1,292.38

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Solution

The fourth proportional to 3,758.18, 5,637.86 and 1,292.38 is: 1,938.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.18 : 5,637.86 = 1,292.38 : x
  2. Step 2: Convert to fraction form
    3,758.18/5,637.86 = 1,292.38/x
  3. Step 3: Cross multiply
    3,758.18x = 5,637.86 × 1,292.38
  4. Step 4: Simplify right side
    3,758.18x = 7,286,257.51
  5. Step 5: Solve for x
    x = 7,286,257.51/3,758.18
  6. Step 6: Final answer
    x = 1,938.77

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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.