Home / 2,419.04-3,629.96-1,120.44

Finding the Fourth Proportional to 2,419.04, 3,629.96 and 1,120.44

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Solution

The fourth proportional to 2,419.04, 3,629.96 and 1,120.44 is: 1,681.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.04 : 3,629.96 = 1,120.44 : x
  2. Step 2: Convert to fraction form
    2,419.04/3,629.96 = 1,120.44/x
  3. Step 3: Cross multiply
    2,419.04x = 3,629.96 × 1,120.44
  4. Step 4: Simplify right side
    2,419.04x = 4,067,152.38
  5. Step 5: Solve for x
    x = 4,067,152.38/2,419.04
  6. Step 6: Final answer
    x = 1,681.31

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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.