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Finding the Fourth Proportional to 2,839.51, 4,250.17 and 1,519.98

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Solution

The fourth proportional to 2,839.51, 4,250.17 and 1,519.98 is: 2,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.51 : 4,250.17 = 1,519.98 : x
  2. Step 2: Convert to fraction form
    2,839.51/4,250.17 = 1,519.98/x
  3. Step 3: Cross multiply
    2,839.51x = 4,250.17 × 1,519.98
  4. Step 4: Simplify right side
    2,839.51x = 6,460,173.40
  5. Step 5: Solve for x
    x = 6,460,173.40/2,839.51
  6. Step 6: Final answer
    x = 2,275.10

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Why These Related Problems?

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