Home / 3,399.25-4,690.98-1,983.91

Finding the Fourth Proportional to 3,399.25, 4,690.98 and 1,983.91

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Solution

The fourth proportional to 3,399.25, 4,690.98 and 1,983.91 is: 2,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.25 : 4,690.98 = 1,983.91 : x
  2. Step 2: Convert to fraction form
    3,399.25/4,690.98 = 1,983.91/x
  3. Step 3: Cross multiply
    3,399.25x = 4,690.98 × 1,983.91
  4. Step 4: Simplify right side
    3,399.25x = 9,306,482.13
  5. Step 5: Solve for x
    x = 9,306,482.13/3,399.25
  6. Step 6: Final answer
    x = 2,737.80

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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.