Home / 1,491.21-2,236.50-566.76

Finding the Fourth Proportional to 1,491.21, 2,236.50 and 566.76

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Solution

The fourth proportional to 1,491.21, 2,236.50 and 566.76 is: 850.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.21 : 2,236.50 = 566.76 : x
  2. Step 2: Convert to fraction form
    1,491.21/2,236.50 = 566.76/x
  3. Step 3: Cross multiply
    1,491.21x = 2,236.50 × 566.76
  4. Step 4: Simplify right side
    1,491.21x = 1,267,558.74
  5. Step 5: Solve for x
    x = 1,267,558.74/1,491.21
  6. Step 6: Final answer
    x = 850.02

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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.