Home / 1,491.24-2,234.40-1,436.64

Finding the Fourth Proportional to 1,491.24, 2,234.40 and 1,436.64

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Solution

The fourth proportional to 1,491.24, 2,234.40 and 1,436.64 is: 2,152.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.24 : 2,234.40 = 1,436.64 : x
  2. Step 2: Convert to fraction form
    1,491.24/2,234.40 = 1,436.64/x
  3. Step 3: Cross multiply
    1,491.24x = 2,234.40 × 1,436.64
  4. Step 4: Simplify right side
    1,491.24x = 3,210,028.42
  5. Step 5: Solve for x
    x = 3,210,028.42/1,491.24
  6. Step 6: Final answer
    x = 2,152.59

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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.