Home / 3,653.76-5,039.64-2,327.80

Finding the Fourth Proportional to 3,653.76, 5,039.64 and 2,327.80

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Solution

The fourth proportional to 3,653.76, 5,039.64 and 2,327.80 is: 3,210.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.76 : 5,039.64 = 2,327.80 : x
  2. Step 2: Convert to fraction form
    3,653.76/5,039.64 = 2,327.80/x
  3. Step 3: Cross multiply
    3,653.76x = 5,039.64 × 2,327.80
  4. Step 4: Simplify right side
    3,653.76x = 11,731,273.99
  5. Step 5: Solve for x
    x = 11,731,273.99/3,653.76
  6. Step 6: Final answer
    x = 3,210.74

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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.