Home / 4,100.65-5,659.74-2,608.28

Finding the Fourth Proportional to 4,100.65, 5,659.74 and 2,608.28

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Solution

The fourth proportional to 4,100.65, 5,659.74 and 2,608.28 is: 3,599.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.65 : 5,659.74 = 2,608.28 : x
  2. Step 2: Convert to fraction form
    4,100.65/5,659.74 = 2,608.28/x
  3. Step 3: Cross multiply
    4,100.65x = 5,659.74 × 2,608.28
  4. Step 4: Simplify right side
    4,100.65x = 14,762,186.65
  5. Step 5: Solve for x
    x = 14,762,186.65/4,100.65
  6. Step 6: Final answer
    x = 3,599.96

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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.