Home / 3,326.86-4,589.49-2,147.50

Finding the Fourth Proportional to 3,326.86, 4,589.49 and 2,147.50

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Solution

The fourth proportional to 3,326.86, 4,589.49 and 2,147.50 is: 2,962.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.86 : 4,589.49 = 2,147.50 : x
  2. Step 2: Convert to fraction form
    3,326.86/4,589.49 = 2,147.50/x
  3. Step 3: Cross multiply
    3,326.86x = 4,589.49 × 2,147.50
  4. Step 4: Simplify right side
    3,326.86x = 9,855,929.78
  5. Step 5: Solve for x
    x = 9,855,929.78/3,326.86
  6. Step 6: Final answer
    x = 2,962.53

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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.