Home / 3,164.79-4,367.28-1,838.42

Finding the Fourth Proportional to 3,164.79, 4,367.28 and 1,838.42

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Solution

The fourth proportional to 3,164.79, 4,367.28 and 1,838.42 is: 2,536.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.79 : 4,367.28 = 1,838.42 : x
  2. Step 2: Convert to fraction form
    3,164.79/4,367.28 = 1,838.42/x
  3. Step 3: Cross multiply
    3,164.79x = 4,367.28 × 1,838.42
  4. Step 4: Simplify right side
    3,164.79x = 8,028,894.90
  5. Step 5: Solve for x
    x = 8,028,894.90/3,164.79
  6. Step 6: Final answer
    x = 2,536.94

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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.