Home / 3,326.08-4,589.76-1,929.28

Finding the Fourth Proportional to 3,326.08, 4,589.76 and 1,929.28

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Solution

The fourth proportional to 3,326.08, 4,589.76 and 1,929.28 is: 2,662.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.08 : 4,589.76 = 1,929.28 : x
  2. Step 2: Convert to fraction form
    3,326.08/4,589.76 = 1,929.28/x
  3. Step 3: Cross multiply
    3,326.08x = 4,589.76 × 1,929.28
  4. Step 4: Simplify right side
    3,326.08x = 8,854,932.17
  5. Step 5: Solve for x
    x = 8,854,932.17/3,326.08
  6. Step 6: Final answer
    x = 2,662.27

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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.