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Finding the Fourth Proportional to 3,374.61, 5,063.75 and 1,730.72

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Solution

The fourth proportional to 3,374.61, 5,063.75 and 1,730.72 is: 2,597.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.61 : 5,063.75 = 1,730.72 : x
  2. Step 2: Convert to fraction form
    3,374.61/5,063.75 = 1,730.72/x
  3. Step 3: Cross multiply
    3,374.61x = 5,063.75 × 1,730.72
  4. Step 4: Simplify right side
    3,374.61x = 8,763,899.43
  5. Step 5: Solve for x
    x = 8,763,899.43/3,374.61
  6. Step 6: Final answer
    x = 2,597.01

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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.