Home / 2,311.24-3,466.63-579.87

Finding the Fourth Proportional to 2,311.24, 3,466.63 and 579.87

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Solution

The fourth proportional to 2,311.24, 3,466.63 and 579.87 is: 869.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.24 : 3,466.63 = 579.87 : x
  2. Step 2: Convert to fraction form
    2,311.24/3,466.63 = 579.87/x
  3. Step 3: Cross multiply
    2,311.24x = 3,466.63 × 579.87
  4. Step 4: Simplify right side
    2,311.24x = 2,010,194.74
  5. Step 5: Solve for x
    x = 2,010,194.74/2,311.24
  6. Step 6: Final answer
    x = 869.75

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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.