Home / 1,934.10-2,894.67-1,908.18

Finding the Fourth Proportional to 1,934.10, 2,894.67 and 1,908.18

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Solution

The fourth proportional to 1,934.10, 2,894.67 and 1,908.18 is: 2,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.10 : 2,894.67 = 1,908.18 : x
  2. Step 2: Convert to fraction form
    1,934.10/2,894.67 = 1,908.18/x
  3. Step 3: Cross multiply
    1,934.10x = 2,894.67 × 1,908.18
  4. Step 4: Simplify right side
    1,934.10x = 5,523,551.40
  5. Step 5: Solve for x
    x = 5,523,551.40/1,934.10
  6. Step 6: Final answer
    x = 2,855.88

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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.