Home / 1,490.62-2,232.14-1,246.54

Finding the Fourth Proportional to 1,490.62, 2,232.14 and 1,246.54

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Solution

The fourth proportional to 1,490.62, 2,232.14 and 1,246.54 is: 1,866.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.62 : 2,232.14 = 1,246.54 : x
  2. Step 2: Convert to fraction form
    1,490.62/2,232.14 = 1,246.54/x
  3. Step 3: Cross multiply
    1,490.62x = 2,232.14 × 1,246.54
  4. Step 4: Simplify right side
    1,490.62x = 2,782,451.80
  5. Step 5: Solve for x
    x = 2,782,451.80/1,490.62
  6. Step 6: Final answer
    x = 1,866.64

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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.