Home / 3,923.85-5,878.50-2,256.06

Finding the Fourth Proportional to 3,923.85, 5,878.50 and 2,256.06

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Solution

The fourth proportional to 3,923.85, 5,878.50 and 2,256.06 is: 3,379.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.85 : 5,878.50 = 2,256.06 : x
  2. Step 2: Convert to fraction form
    3,923.85/5,878.50 = 2,256.06/x
  3. Step 3: Cross multiply
    3,923.85x = 5,878.50 × 2,256.06
  4. Step 4: Simplify right side
    3,923.85x = 13,262,248.71
  5. Step 5: Solve for x
    x = 13,262,248.71/3,923.85
  6. Step 6: Final answer
    x = 3,379.91

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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.