Home / 2,770.81-3,823.67-1,575.92

Finding the Fourth Proportional to 2,770.81, 3,823.67 and 1,575.92

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Solution

The fourth proportional to 2,770.81, 3,823.67 and 1,575.92 is: 2,174.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.81 : 3,823.67 = 1,575.92 : x
  2. Step 2: Convert to fraction form
    2,770.81/3,823.67 = 1,575.92/x
  3. Step 3: Cross multiply
    2,770.81x = 3,823.67 × 1,575.92
  4. Step 4: Simplify right side
    2,770.81x = 6,025,811.53
  5. Step 5: Solve for x
    x = 6,025,811.53/2,770.81
  6. Step 6: Final answer
    x = 2,174.75

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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.