Home / 2,031.42-2,802.84-1,765.44

Finding the Fourth Proportional to 2,031.42, 2,802.84 and 1,765.44

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Solution

The fourth proportional to 2,031.42, 2,802.84 and 1,765.44 is: 2,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.42 : 2,802.84 = 1,765.44 : x
  2. Step 2: Convert to fraction form
    2,031.42/2,802.84 = 1,765.44/x
  3. Step 3: Cross multiply
    2,031.42x = 2,802.84 × 1,765.44
  4. Step 4: Simplify right side
    2,031.42x = 4,948,245.85
  5. Step 5: Solve for x
    x = 4,948,245.85/2,031.42
  6. Step 6: Final answer
    x = 2,435.86

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