Home / 1,490.82-2,232.99-1,423.14

Finding the Fourth Proportional to 1,490.82, 2,232.99 and 1,423.14

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Solution

The fourth proportional to 1,490.82, 2,232.99 and 1,423.14 is: 2,131.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.82 : 2,232.99 = 1,423.14 : x
  2. Step 2: Convert to fraction form
    1,490.82/2,232.99 = 1,423.14/x
  3. Step 3: Cross multiply
    1,490.82x = 2,232.99 × 1,423.14
  4. Step 4: Simplify right side
    1,490.82x = 3,177,857.39
  5. Step 5: Solve for x
    x = 3,177,857.39/1,490.82
  6. Step 6: Final answer
    x = 2,131.62

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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.