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Finding the Fourth Proportional to 2,922.36, 4,030.22 and 1,927.32

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Solution

The fourth proportional to 2,922.36, 4,030.22 and 1,927.32 is: 2,657.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.36 : 4,030.22 = 1,927.32 : x
  2. Step 2: Convert to fraction form
    2,922.36/4,030.22 = 1,927.32/x
  3. Step 3: Cross multiply
    2,922.36x = 4,030.22 × 1,927.32
  4. Step 4: Simplify right side
    2,922.36x = 7,767,523.61
  5. Step 5: Solve for x
    x = 7,767,523.61/2,922.36
  6. Step 6: Final answer
    x = 2,657.96

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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.