Home / 3,845.48-5,764.75-1,379.71

Finding the Fourth Proportional to 3,845.48, 5,764.75 and 1,379.71

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Solution

The fourth proportional to 3,845.48, 5,764.75 and 1,379.71 is: 2,068.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.48 : 5,764.75 = 1,379.71 : x
  2. Step 2: Convert to fraction form
    3,845.48/5,764.75 = 1,379.71/x
  3. Step 3: Cross multiply
    3,845.48x = 5,764.75 × 1,379.71
  4. Step 4: Simplify right side
    3,845.48x = 7,953,686.98
  5. Step 5: Solve for x
    x = 7,953,686.98/3,845.48
  6. Step 6: Final answer
    x = 2,068.32

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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.