Home / 3,923.60-5,913.61-3,382.32

Finding the Fourth Proportional to 3,923.60, 5,913.61 and 3,382.32

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Solution

The fourth proportional to 3,923.60, 5,913.61 and 3,382.32 is: 5,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.60 : 5,913.61 = 3,382.32 : x
  2. Step 2: Convert to fraction form
    3,923.60/5,913.61 = 3,382.32/x
  3. Step 3: Cross multiply
    3,923.60x = 5,913.61 × 3,382.32
  4. Step 4: Simplify right side
    3,923.60x = 20,001,721.38
  5. Step 5: Solve for x
    x = 20,001,721.38/3,923.60
  6. Step 6: Final answer
    x = 5,097.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.