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Finding the Fourth Proportional to 1,342.93, 1,851.83 and 1,062.72

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Solution

The fourth proportional to 1,342.93, 1,851.83 and 1,062.72 is: 1,465.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.93 : 1,851.83 = 1,062.72 : x
  2. Step 2: Convert to fraction form
    1,342.93/1,851.83 = 1,062.72/x
  3. Step 3: Cross multiply
    1,342.93x = 1,851.83 × 1,062.72
  4. Step 4: Simplify right side
    1,342.93x = 1,967,976.78
  5. Step 5: Solve for x
    x = 1,967,976.78/1,342.93
  6. Step 6: Final answer
    x = 1,465.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.