Home / 3,326.40-4,589.73-1,929.15

Finding the Fourth Proportional to 3,326.40, 4,589.73 and 1,929.15

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Solution

The fourth proportional to 3,326.40, 4,589.73 and 1,929.15 is: 2,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.40 : 4,589.73 = 1,929.15 : x
  2. Step 2: Convert to fraction form
    3,326.40/4,589.73 = 1,929.15/x
  3. Step 3: Cross multiply
    3,326.40x = 4,589.73 × 1,929.15
  4. Step 4: Simplify right side
    3,326.40x = 8,854,277.63
  5. Step 5: Solve for x
    x = 8,854,277.63/3,326.40
  6. Step 6: Final answer
    x = 2,661.82

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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.