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Finding the Fourth Proportional to 2,242.55, 3,092.64 and 1,402.98

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Solution

The fourth proportional to 2,242.55, 3,092.64 and 1,402.98 is: 1,934.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.55 : 3,092.64 = 1,402.98 : x
  2. Step 2: Convert to fraction form
    2,242.55/3,092.64 = 1,402.98/x
  3. Step 3: Cross multiply
    2,242.55x = 3,092.64 × 1,402.98
  4. Step 4: Simplify right side
    2,242.55x = 4,338,912.07
  5. Step 5: Solve for x
    x = 4,338,912.07/2,242.55
  6. Step 6: Final answer
    x = 1,934.81

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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.