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Finding the Fourth Proportional to 1,957.72, 2,937.24 and 1,226.44

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Solution

The fourth proportional to 1,957.72, 2,937.24 and 1,226.44 is: 1,840.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.72 : 2,937.24 = 1,226.44 : x
  2. Step 2: Convert to fraction form
    1,957.72/2,937.24 = 1,226.44/x
  3. Step 3: Cross multiply
    1,957.72x = 2,937.24 × 1,226.44
  4. Step 4: Simplify right side
    1,957.72x = 3,602,348.63
  5. Step 5: Solve for x
    x = 3,602,348.63/1,957.72
  6. Step 6: Final answer
    x = 1,840.07

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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.