Home / 2,729.42-4,095.96-1,756.20

Finding the Fourth Proportional to 2,729.42, 4,095.96 and 1,756.20

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Solution

The fourth proportional to 2,729.42, 4,095.96 and 1,756.20 is: 2,635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.42 : 4,095.96 = 1,756.20 : x
  2. Step 2: Convert to fraction form
    2,729.42/4,095.96 = 1,756.20/x
  3. Step 3: Cross multiply
    2,729.42x = 4,095.96 × 1,756.20
  4. Step 4: Simplify right side
    2,729.42x = 7,193,324.95
  5. Step 5: Solve for x
    x = 7,193,324.95/2,729.42
  6. Step 6: Final answer
    x = 2,635.48

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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.