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Finding the Fourth Proportional to 3,565.58, 4,920.44 and 1,972.22

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Solution

The fourth proportional to 3,565.58, 4,920.44 and 1,972.22 is: 2,721.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.58 : 4,920.44 = 1,972.22 : x
  2. Step 2: Convert to fraction form
    3,565.58/4,920.44 = 1,972.22/x
  3. Step 3: Cross multiply
    3,565.58x = 4,920.44 × 1,972.22
  4. Step 4: Simplify right side
    3,565.58x = 9,704,190.18
  5. Step 5: Solve for x
    x = 9,704,190.18/3,565.58
  6. Step 6: Final answer
    x = 2,721.63

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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.