Home / 3,820.53-5,729.73-1,355.02

Finding the Fourth Proportional to 3,820.53, 5,729.73 and 1,355.02

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Solution

The fourth proportional to 3,820.53, 5,729.73 and 1,355.02 is: 2,032.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.53 : 5,729.73 = 1,355.02 : x
  2. Step 2: Convert to fraction form
    3,820.53/5,729.73 = 1,355.02/x
  3. Step 3: Cross multiply
    3,820.53x = 5,729.73 × 1,355.02
  4. Step 4: Simplify right side
    3,820.53x = 7,763,898.74
  5. Step 5: Solve for x
    x = 7,763,898.74/3,820.53
  6. Step 6: Final answer
    x = 2,032.15

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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.