Home / 1,934.45-2,669.39-1,083.70

Finding the Fourth Proportional to 1,934.45, 2,669.39 and 1,083.70

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Solution

The fourth proportional to 1,934.45, 2,669.39 and 1,083.70 is: 1,495.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.45 : 2,669.39 = 1,083.70 : x
  2. Step 2: Convert to fraction form
    1,934.45/2,669.39 = 1,083.70/x
  3. Step 3: Cross multiply
    1,934.45x = 2,669.39 × 1,083.70
  4. Step 4: Simplify right side
    1,934.45x = 2,892,817.94
  5. Step 5: Solve for x
    x = 2,892,817.94/1,934.45
  6. Step 6: Final answer
    x = 1,495.42

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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.