Home / 4,081.63-5,630.63-2,664.65

Finding the Fourth Proportional to 4,081.63, 5,630.63 and 2,664.65

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Solution

The fourth proportional to 4,081.63, 5,630.63 and 2,664.65 is: 3,675.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.63 : 5,630.63 = 2,664.65 : x
  2. Step 2: Convert to fraction form
    4,081.63/5,630.63 = 2,664.65/x
  3. Step 3: Cross multiply
    4,081.63x = 5,630.63 × 2,664.65
  4. Step 4: Simplify right side
    4,081.63x = 15,003,678.97
  5. Step 5: Solve for x
    x = 15,003,678.97/4,081.63
  6. Step 6: Final answer
    x = 3,675.91

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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.