Home / 3,629.12-5,435.16-1,774.42

Finding the Fourth Proportional to 3,629.12, 5,435.16 and 1,774.42

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Solution

The fourth proportional to 3,629.12, 5,435.16 and 1,774.42 is: 2,657.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.12 : 5,435.16 = 1,774.42 : x
  2. Step 2: Convert to fraction form
    3,629.12/5,435.16 = 1,774.42/x
  3. Step 3: Cross multiply
    3,629.12x = 5,435.16 × 1,774.42
  4. Step 4: Simplify right side
    3,629.12x = 9,644,256.61
  5. Step 5: Solve for x
    x = 9,644,256.61/3,629.12
  6. Step 6: Final answer
    x = 2,657.46

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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.