Home / 2,311.17-3,466.80-579.75

Finding the Fourth Proportional to 2,311.17, 3,466.80 and 579.75

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Solution

The fourth proportional to 2,311.17, 3,466.80 and 579.75 is: 869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.17 : 3,466.80 = 579.75 : x
  2. Step 2: Convert to fraction form
    2,311.17/3,466.80 = 579.75/x
  3. Step 3: Cross multiply
    2,311.17x = 3,466.80 × 579.75
  4. Step 4: Simplify right side
    2,311.17x = 2,009,877.30
  5. Step 5: Solve for x
    x = 2,009,877.30/2,311.17
  6. Step 6: Final answer
    x = 869.64

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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.