Home / 1,934.60-2,895.42-1,908.68

Finding the Fourth Proportional to 1,934.60, 2,895.42 and 1,908.68

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Solution

The fourth proportional to 1,934.60, 2,895.42 and 1,908.68 is: 2,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.60 : 2,895.42 = 1,908.68 : x
  2. Step 2: Convert to fraction form
    1,934.60/2,895.42 = 1,908.68/x
  3. Step 3: Cross multiply
    1,934.60x = 2,895.42 × 1,908.68
  4. Step 4: Simplify right side
    1,934.60x = 5,526,430.25
  5. Step 5: Solve for x
    x = 5,526,430.25/1,934.60
  6. Step 6: Final answer
    x = 2,856.63

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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.