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Finding the Fourth Proportional to 3,364.50, 4,643 and 1,967.24

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Solution

The fourth proportional to 3,364.50, 4,643 and 1,967.24 is: 2,714.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.50 : 4,643 = 1,967.24 : x
  2. Step 2: Convert to fraction form
    3,364.50/4,643 = 1,967.24/x
  3. Step 3: Cross multiply
    3,364.50x = 4,643 × 1,967.24
  4. Step 4: Simplify right side
    3,364.50x = 9,133,895.32
  5. Step 5: Solve for x
    x = 9,133,895.32/3,364.50
  6. Step 6: Final answer
    x = 2,714.79

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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.