Home / 3,326.46-4,590.36-1,909.16

Finding the Fourth Proportional to 3,326.46, 4,590.36 and 1,909.16

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Solution

The fourth proportional to 3,326.46, 4,590.36 and 1,909.16 is: 2,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.46 : 4,590.36 = 1,909.16 : x
  2. Step 2: Convert to fraction form
    3,326.46/4,590.36 = 1,909.16/x
  3. Step 3: Cross multiply
    3,326.46x = 4,590.36 × 1,909.16
  4. Step 4: Simplify right side
    3,326.46x = 8,763,731.70
  5. Step 5: Solve for x
    x = 8,763,731.70/3,326.46
  6. Step 6: Final answer
    x = 2,634.55

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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.