Home / 2,827.77-3,900.33-1,764.66

Finding the Fourth Proportional to 2,827.77, 3,900.33 and 1,764.66

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Solution

The fourth proportional to 2,827.77, 3,900.33 and 1,764.66 is: 2,433.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.77 : 3,900.33 = 1,764.66 : x
  2. Step 2: Convert to fraction form
    2,827.77/3,900.33 = 1,764.66/x
  3. Step 3: Cross multiply
    2,827.77x = 3,900.33 × 1,764.66
  4. Step 4: Simplify right side
    2,827.77x = 6,882,756.34
  5. Step 5: Solve for x
    x = 6,882,756.34/2,827.77
  6. Step 6: Final answer
    x = 2,433.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.