Home / 3,254.07-4,490.64-1,928.43

Finding the Fourth Proportional to 3,254.07, 4,490.64 and 1,928.43

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Solution

The fourth proportional to 3,254.07, 4,490.64 and 1,928.43 is: 2,661.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.07 : 4,490.64 = 1,928.43 : x
  2. Step 2: Convert to fraction form
    3,254.07/4,490.64 = 1,928.43/x
  3. Step 3: Cross multiply
    3,254.07x = 4,490.64 × 1,928.43
  4. Step 4: Simplify right side
    3,254.07x = 8,659,897.53
  5. Step 5: Solve for x
    x = 8,659,897.53/3,254.07
  6. Step 6: Final answer
    x = 2,661.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.