Home / 3,852.64-5,317.86-2,281.24

Finding the Fourth Proportional to 3,852.64, 5,317.86 and 2,281.24

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Solution

The fourth proportional to 3,852.64, 5,317.86 and 2,281.24 is: 3,148.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.64 : 5,317.86 = 2,281.24 : x
  2. Step 2: Convert to fraction form
    3,852.64/5,317.86 = 2,281.24/x
  3. Step 3: Cross multiply
    3,852.64x = 5,317.86 × 2,281.24
  4. Step 4: Simplify right side
    3,852.64x = 12,131,314.95
  5. Step 5: Solve for x
    x = 12,131,314.95/3,852.64
  6. Step 6: Final answer
    x = 3,148.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.