Home / 4,151.60-6,226.78-1,686.41

Finding the Fourth Proportional to 4,151.60, 6,226.78 and 1,686.41

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Solution

The fourth proportional to 4,151.60, 6,226.78 and 1,686.41 is: 2,529.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.60 : 6,226.78 = 1,686.41 : x
  2. Step 2: Convert to fraction form
    4,151.60/6,226.78 = 1,686.41/x
  3. Step 3: Cross multiply
    4,151.60x = 6,226.78 × 1,686.41
  4. Step 4: Simplify right side
    4,151.60x = 10,500,904.06
  5. Step 5: Solve for x
    x = 10,500,904.06/4,151.60
  6. Step 6: Final answer
    x = 2,529.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.