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Finding the Fourth Proportional to 2,827.90, 3,901.79 and 1,693.93

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Solution

The fourth proportional to 2,827.90, 3,901.79 and 1,693.93 is: 2,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.90 : 3,901.79 = 1,693.93 : x
  2. Step 2: Convert to fraction form
    2,827.90/3,901.79 = 1,693.93/x
  3. Step 3: Cross multiply
    2,827.90x = 3,901.79 × 1,693.93
  4. Step 4: Simplify right side
    2,827.90x = 6,609,351.40
  5. Step 5: Solve for x
    x = 6,609,351.40/2,827.90
  6. Step 6: Final answer
    x = 2,337.20

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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.