Home / 3,820.16-5,729.14-1,739

Finding the Fourth Proportional to 3,820.16, 5,729.14 and 1,739

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Solution

The fourth proportional to 3,820.16, 5,729.14 and 1,739 is: 2,608.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.16 : 5,729.14 = 1,739 : x
  2. Step 2: Convert to fraction form
    3,820.16/5,729.14 = 1,739/x
  3. Step 3: Cross multiply
    3,820.16x = 5,729.14 × 1,739
  4. Step 4: Simplify right side
    3,820.16x = 9,962,974.46
  5. Step 5: Solve for x
    x = 9,962,974.46/3,820.16
  6. Step 6: Final answer
    x = 2,608.00

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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.