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Finding the Fourth Proportional to 2,725.88, 4,088.88 and 1,083.20

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Solution

The fourth proportional to 2,725.88, 4,088.88 and 1,083.20 is: 1,624.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.88 : 4,088.88 = 1,083.20 : x
  2. Step 2: Convert to fraction form
    2,725.88/4,088.88 = 1,083.20/x
  3. Step 3: Cross multiply
    2,725.88x = 4,088.88 × 1,083.20
  4. Step 4: Simplify right side
    2,725.88x = 4,429,074.82
  5. Step 5: Solve for x
    x = 4,429,074.82/2,725.88
  6. Step 6: Final answer
    x = 1,624.82

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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.