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Finding the Fourth Proportional to 3,225.66, 4,836.12 and 1,377.66

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Solution

The fourth proportional to 3,225.66, 4,836.12 and 1,377.66 is: 2,065.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.66 : 4,836.12 = 1,377.66 : x
  2. Step 2: Convert to fraction form
    3,225.66/4,836.12 = 1,377.66/x
  3. Step 3: Cross multiply
    3,225.66x = 4,836.12 × 1,377.66
  4. Step 4: Simplify right side
    3,225.66x = 6,662,529.08
  5. Step 5: Solve for x
    x = 6,662,529.08/3,225.66
  6. Step 6: Final answer
    x = 2,065.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.