Home / 1,839.30-2,744.64-1,623.30

Finding the Fourth Proportional to 1,839.30, 2,744.64 and 1,623.30

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Solution

The fourth proportional to 1,839.30, 2,744.64 and 1,623.30 is: 2,422.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.30 : 2,744.64 = 1,623.30 : x
  2. Step 2: Convert to fraction form
    1,839.30/2,744.64 = 1,623.30/x
  3. Step 3: Cross multiply
    1,839.30x = 2,744.64 × 1,623.30
  4. Step 4: Simplify right side
    1,839.30x = 4,455,374.11
  5. Step 5: Solve for x
    x = 4,455,374.11/1,839.30
  6. Step 6: Final answer
    x = 2,422.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.