Home / 2,690.52-4,028.88-1,763.34

Finding the Fourth Proportional to 2,690.52, 4,028.88 and 1,763.34

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Solution

The fourth proportional to 2,690.52, 4,028.88 and 1,763.34 is: 2,640.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.52 : 4,028.88 = 1,763.34 : x
  2. Step 2: Convert to fraction form
    2,690.52/4,028.88 = 1,763.34/x
  3. Step 3: Cross multiply
    2,690.52x = 4,028.88 × 1,763.34
  4. Step 4: Simplify right side
    2,690.52x = 7,104,285.26
  5. Step 5: Solve for x
    x = 7,104,285.26/2,690.52
  6. Step 6: Final answer
    x = 2,640.49

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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.