Home / 3,164.28-4,364.99-1,904.58

Finding the Fourth Proportional to 3,164.28, 4,364.99 and 1,904.58

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Solution

The fourth proportional to 3,164.28, 4,364.99 and 1,904.58 is: 2,627.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.28 : 4,364.99 = 1,904.58 : x
  2. Step 2: Convert to fraction form
    3,164.28/4,364.99 = 1,904.58/x
  3. Step 3: Cross multiply
    3,164.28x = 4,364.99 × 1,904.58
  4. Step 4: Simplify right side
    3,164.28x = 8,313,470.27
  5. Step 5: Solve for x
    x = 8,313,470.27/3,164.28
  6. Step 6: Final answer
    x = 2,627.29

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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.