Home / 2,725.63-4,089.12-1,081.63

Finding the Fourth Proportional to 2,725.63, 4,089.12 and 1,081.63

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Solution

The fourth proportional to 2,725.63, 4,089.12 and 1,081.63 is: 1,622.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.63 : 4,089.12 = 1,081.63 : x
  2. Step 2: Convert to fraction form
    2,725.63/4,089.12 = 1,081.63/x
  3. Step 3: Cross multiply
    2,725.63x = 4,089.12 × 1,081.63
  4. Step 4: Simplify right side
    2,725.63x = 4,422,925.05
  5. Step 5: Solve for x
    x = 4,422,925.05/2,725.63
  6. Step 6: Final answer
    x = 1,622.72

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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.