Home / 3,086.92-4,628.94-1,788.76

Finding the Fourth Proportional to 3,086.92, 4,628.94 and 1,788.76

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Solution

The fourth proportional to 3,086.92, 4,628.94 and 1,788.76 is: 2,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.92 : 4,628.94 = 1,788.76 : x
  2. Step 2: Convert to fraction form
    3,086.92/4,628.94 = 1,788.76/x
  3. Step 3: Cross multiply
    3,086.92x = 4,628.94 × 1,788.76
  4. Step 4: Simplify right side
    3,086.92x = 8,280,062.71
  5. Step 5: Solve for x
    x = 8,280,062.71/3,086.92
  6. Step 6: Final answer
    x = 2,682.31

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1.5x scale

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.