Home / 3,616.19-5,429.30-1,862.44

Finding the Fourth Proportional to 3,616.19, 5,429.30 and 1,862.44

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Solution

The fourth proportional to 3,616.19, 5,429.30 and 1,862.44 is: 2,796.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.19 : 5,429.30 = 1,862.44 : x
  2. Step 2: Convert to fraction form
    3,616.19/5,429.30 = 1,862.44/x
  3. Step 3: Cross multiply
    3,616.19x = 5,429.30 × 1,862.44
  4. Step 4: Simplify right side
    3,616.19x = 10,111,763.62
  5. Step 5: Solve for x
    x = 10,111,763.62/3,616.19
  6. Step 6: Final answer
    x = 2,796.25

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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.