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Finding the Fourth Proportional to 3,062.73, 4,594.92 and 1,420.47

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Solution

The fourth proportional to 3,062.73, 4,594.92 and 1,420.47 is: 2,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.73 : 4,594.92 = 1,420.47 : x
  2. Step 2: Convert to fraction form
    3,062.73/4,594.92 = 1,420.47/x
  3. Step 3: Cross multiply
    3,062.73x = 4,594.92 × 1,420.47
  4. Step 4: Simplify right side
    3,062.73x = 6,526,946.01
  5. Step 5: Solve for x
    x = 6,526,946.01/3,062.73
  6. Step 6: Final answer
    x = 2,131.09

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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.