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Finding the Fourth Proportional to 2,521.66, 3,782.52 and 766.95

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Solution

The fourth proportional to 2,521.66, 3,782.52 and 766.95 is: 1,150.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.66 : 3,782.52 = 766.95 : x
  2. Step 2: Convert to fraction form
    2,521.66/3,782.52 = 766.95/x
  3. Step 3: Cross multiply
    2,521.66x = 3,782.52 × 766.95
  4. Step 4: Simplify right side
    2,521.66x = 2,901,009.40
  5. Step 5: Solve for x
    x = 2,901,009.40/2,521.66
  6. Step 6: Final answer
    x = 1,150.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.