Home / 3,724.47-5,140.35-2,308.41

Finding the Fourth Proportional to 3,724.47, 5,140.35 and 2,308.41

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Solution

The fourth proportional to 3,724.47, 5,140.35 and 2,308.41 is: 3,185.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.47 : 5,140.35 = 2,308.41 : x
  2. Step 2: Convert to fraction form
    3,724.47/5,140.35 = 2,308.41/x
  3. Step 3: Cross multiply
    3,724.47x = 5,140.35 × 2,308.41
  4. Step 4: Simplify right side
    3,724.47x = 11,866,035.34
  5. Step 5: Solve for x
    x = 11,866,035.34/3,724.47
  6. Step 6: Final answer
    x = 3,185.97

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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.