Home / 2,233.84-3,083.02-1,289.44

Finding the Fourth Proportional to 2,233.84, 3,083.02 and 1,289.44

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Solution

The fourth proportional to 2,233.84, 3,083.02 and 1,289.44 is: 1,779.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,233.84 : 3,083.02 = 1,289.44 : x
  2. Step 2: Convert to fraction form
    2,233.84/3,083.02 = 1,289.44/x
  3. Step 3: Cross multiply
    2,233.84x = 3,083.02 × 1,289.44
  4. Step 4: Simplify right side
    2,233.84x = 3,975,367.52
  5. Step 5: Solve for x
    x = 3,975,367.52/2,233.84
  6. Step 6: Final answer
    x = 1,779.61

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1.5x scale

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.