Home / 3,711.78-5,568.08-1,246.77

Finding the Fourth Proportional to 3,711.78, 5,568.08 and 1,246.77

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Solution

The fourth proportional to 3,711.78, 5,568.08 and 1,246.77 is: 1,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.78 : 5,568.08 = 1,246.77 : x
  2. Step 2: Convert to fraction form
    3,711.78/5,568.08 = 1,246.77/x
  3. Step 3: Cross multiply
    3,711.78x = 5,568.08 × 1,246.77
  4. Step 4: Simplify right side
    3,711.78x = 6,942,108.87
  5. Step 5: Solve for x
    x = 6,942,108.87/3,711.78
  6. Step 6: Final answer
    x = 1,870.29

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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.