Home / 2,929.26-4,043.52-1,867.98

Finding the Fourth Proportional to 2,929.26, 4,043.52 and 1,867.98

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Solution

The fourth proportional to 2,929.26, 4,043.52 and 1,867.98 is: 2,578.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.26 : 4,043.52 = 1,867.98 : x
  2. Step 2: Convert to fraction form
    2,929.26/4,043.52 = 1,867.98/x
  3. Step 3: Cross multiply
    2,929.26x = 4,043.52 × 1,867.98
  4. Step 4: Simplify right side
    2,929.26x = 7,553,214.49
  5. Step 5: Solve for x
    x = 7,553,214.49/2,929.26
  6. Step 6: Final answer
    x = 2,578.54

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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.