Home / 2,934.70-4,403.76-1,087.09

Finding the Fourth Proportional to 2,934.70, 4,403.76 and 1,087.09

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Solution

The fourth proportional to 2,934.70, 4,403.76 and 1,087.09 is: 1,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.70 : 4,403.76 = 1,087.09 : x
  2. Step 2: Convert to fraction form
    2,934.70/4,403.76 = 1,087.09/x
  3. Step 3: Cross multiply
    2,934.70x = 4,403.76 × 1,087.09
  4. Step 4: Simplify right side
    2,934.70x = 4,787,283.46
  5. Step 5: Solve for x
    x = 4,787,283.46/2,934.70
  6. Step 6: Final answer
    x = 1,631.27

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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.