Home / 3,185.24-4,390.53-2,376.38

Finding the Fourth Proportional to 3,185.24, 4,390.53 and 2,376.38

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Solution

The fourth proportional to 3,185.24, 4,390.53 and 2,376.38 is: 3,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.24 : 4,390.53 = 2,376.38 : x
  2. Step 2: Convert to fraction form
    3,185.24/4,390.53 = 2,376.38/x
  3. Step 3: Cross multiply
    3,185.24x = 4,390.53 × 2,376.38
  4. Step 4: Simplify right side
    3,185.24x = 10,433,567.68
  5. Step 5: Solve for x
    x = 10,433,567.68/3,185.24
  6. Step 6: Final answer
    x = 3,275.60

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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.