Home / 2,439.73-3,367.02-1,391.77

Finding the Fourth Proportional to 2,439.73, 3,367.02 and 1,391.77

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Solution

The fourth proportional to 2,439.73, 3,367.02 and 1,391.77 is: 1,920.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.73 : 3,367.02 = 1,391.77 : x
  2. Step 2: Convert to fraction form
    2,439.73/3,367.02 = 1,391.77/x
  3. Step 3: Cross multiply
    2,439.73x = 3,367.02 × 1,391.77
  4. Step 4: Simplify right side
    2,439.73x = 4,686,117.43
  5. Step 5: Solve for x
    x = 4,686,117.43/2,439.73
  6. Step 6: Final answer
    x = 1,920.75

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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.