Home / 3,653.88-5,040.78-2,327.31

Finding the Fourth Proportional to 3,653.88, 5,040.78 and 2,327.31

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Solution

The fourth proportional to 3,653.88, 5,040.78 and 2,327.31 is: 3,210.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.88 : 5,040.78 = 2,327.31 : x
  2. Step 2: Convert to fraction form
    3,653.88/5,040.78 = 2,327.31/x
  3. Step 3: Cross multiply
    3,653.88x = 5,040.78 × 2,327.31
  4. Step 4: Simplify right side
    3,653.88x = 11,731,457.70
  5. Step 5: Solve for x
    x = 11,731,457.70/3,653.88
  6. Step 6: Final answer
    x = 3,210.68

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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.