Home / 3,776.92-5,208.18-2,657.48

Finding the Fourth Proportional to 3,776.92, 5,208.18 and 2,657.48

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Solution

The fourth proportional to 3,776.92, 5,208.18 and 2,657.48 is: 3,664.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.92 : 5,208.18 = 2,657.48 : x
  2. Step 2: Convert to fraction form
    3,776.92/5,208.18 = 2,657.48/x
  3. Step 3: Cross multiply
    3,776.92x = 5,208.18 × 2,657.48
  4. Step 4: Simplify right side
    3,776.92x = 13,840,634.19
  5. Step 5: Solve for x
    x = 13,840,634.19/3,776.92
  6. Step 6: Final answer
    x = 3,664.53

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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.