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Finding the Fourth Proportional to 1,373.48, 2,060.49 and 551.82

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Solution

The fourth proportional to 1,373.48, 2,060.49 and 551.82 is: 827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.48 : 2,060.49 = 551.82 : x
  2. Step 2: Convert to fraction form
    1,373.48/2,060.49 = 551.82/x
  3. Step 3: Cross multiply
    1,373.48x = 2,060.49 × 551.82
  4. Step 4: Simplify right side
    1,373.48x = 1,137,026.28
  5. Step 5: Solve for x
    x = 1,137,026.28/1,373.48
  6. Step 6: Final answer
    x = 827.84

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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.