Home / 3,922.76-5,886.48-1,583.90

Finding the Fourth Proportional to 3,922.76, 5,886.48 and 1,583.90

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Solution

The fourth proportional to 3,922.76, 5,886.48 and 1,583.90 is: 2,376.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.76 : 5,886.48 = 1,583.90 : x
  2. Step 2: Convert to fraction form
    3,922.76/5,886.48 = 1,583.90/x
  3. Step 3: Cross multiply
    3,922.76x = 5,886.48 × 1,583.90
  4. Step 4: Simplify right side
    3,922.76x = 9,323,595.67
  5. Step 5: Solve for x
    x = 9,323,595.67/3,922.76
  6. Step 6: Final answer
    x = 2,376.79

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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.