Home / 2,930.39-4,043.92-1,585.99

Finding the Fourth Proportional to 2,930.39, 4,043.92 and 1,585.99

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Solution

The fourth proportional to 2,930.39, 4,043.92 and 1,585.99 is: 2,188.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.39 : 4,043.92 = 1,585.99 : x
  2. Step 2: Convert to fraction form
    2,930.39/4,043.92 = 1,585.99/x
  3. Step 3: Cross multiply
    2,930.39x = 4,043.92 × 1,585.99
  4. Step 4: Simplify right side
    2,930.39x = 6,413,616.68
  5. Step 5: Solve for x
    x = 6,413,616.68/2,930.39
  6. Step 6: Final answer
    x = 2,188.66

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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.