Home / 3,178.82-4,764.89-1,717.58

Finding the Fourth Proportional to 3,178.82, 4,764.89 and 1,717.58

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Solution

The fourth proportional to 3,178.82, 4,764.89 and 1,717.58 is: 2,574.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.82 : 4,764.89 = 1,717.58 : x
  2. Step 2: Convert to fraction form
    3,178.82/4,764.89 = 1,717.58/x
  3. Step 3: Cross multiply
    3,178.82x = 4,764.89 × 1,717.58
  4. Step 4: Simplify right side
    3,178.82x = 8,184,079.77
  5. Step 5: Solve for x
    x = 8,184,079.77/3,178.82
  6. Step 6: Final answer
    x = 2,574.57

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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.