Home / 3,629.44-5,445.80-1,681.12

Finding the Fourth Proportional to 3,629.44, 5,445.80 and 1,681.12

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Solution

The fourth proportional to 3,629.44, 5,445.80 and 1,681.12 is: 2,522.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.44 : 5,445.80 = 1,681.12 : x
  2. Step 2: Convert to fraction form
    3,629.44/5,445.80 = 1,681.12/x
  3. Step 3: Cross multiply
    3,629.44x = 5,445.80 × 1,681.12
  4. Step 4: Simplify right side
    3,629.44x = 9,155,043.30
  5. Step 5: Solve for x
    x = 9,155,043.30/3,629.44
  6. Step 6: Final answer
    x = 2,522.44

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1.5x scale

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.