Home / 2,490.24-3,735.36-1,027.79

Finding the Fourth Proportional to 2,490.24, 3,735.36 and 1,027.79

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Solution

The fourth proportional to 2,490.24, 3,735.36 and 1,027.79 is: 1,541.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.24 : 3,735.36 = 1,027.79 : x
  2. Step 2: Convert to fraction form
    2,490.24/3,735.36 = 1,027.79/x
  3. Step 3: Cross multiply
    2,490.24x = 3,735.36 × 1,027.79
  4. Step 4: Simplify right side
    2,490.24x = 3,839,165.65
  5. Step 5: Solve for x
    x = 3,839,165.65/2,490.24
  6. Step 6: Final answer
    x = 1,541.69

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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.