Home / 2,763.51-4,135.47-1,722.66

Finding the Fourth Proportional to 2,763.51, 4,135.47 and 1,722.66

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Solution

The fourth proportional to 2,763.51, 4,135.47 and 1,722.66 is: 2,577.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.51 : 4,135.47 = 1,722.66 : x
  2. Step 2: Convert to fraction form
    2,763.51/4,135.47 = 1,722.66/x
  3. Step 3: Cross multiply
    2,763.51x = 4,135.47 × 1,722.66
  4. Step 4: Simplify right side
    2,763.51x = 7,124,008.75
  5. Step 5: Solve for x
    x = 7,124,008.75/2,763.51
  6. Step 6: Final answer
    x = 2,577.88

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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.