Home / 2,235.55-3,083.19-1,439.02

Finding the Fourth Proportional to 2,235.55, 3,083.19 and 1,439.02

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Solution

The fourth proportional to 2,235.55, 3,083.19 and 1,439.02 is: 1,984.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.55 : 3,083.19 = 1,439.02 : x
  2. Step 2: Convert to fraction form
    2,235.55/3,083.19 = 1,439.02/x
  3. Step 3: Cross multiply
    2,235.55x = 3,083.19 × 1,439.02
  4. Step 4: Simplify right side
    2,235.55x = 4,436,772.07
  5. Step 5: Solve for x
    x = 4,436,772.07/2,235.55
  6. Step 6: Final answer
    x = 1,984.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.