Home / 1,791.10-2,690.70-1,244.35

Finding the Fourth Proportional to 1,791.10, 2,690.70 and 1,244.35

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Solution

The fourth proportional to 1,791.10, 2,690.70 and 1,244.35 is: 1,869.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.10 : 2,690.70 = 1,244.35 : x
  2. Step 2: Convert to fraction form
    1,791.10/2,690.70 = 1,244.35/x
  3. Step 3: Cross multiply
    1,791.10x = 2,690.70 × 1,244.35
  4. Step 4: Simplify right side
    1,791.10x = 3,348,172.55
  5. Step 5: Solve for x
    x = 3,348,172.55/1,791.10
  6. Step 6: Final answer
    x = 1,869.34

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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.