Home / 1,789.24-2,683.83-490.66

Finding the Fourth Proportional to 1,789.24, 2,683.83 and 490.66

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Solution

The fourth proportional to 1,789.24, 2,683.83 and 490.66 is: 735.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.24 : 2,683.83 = 490.66 : x
  2. Step 2: Convert to fraction form
    1,789.24/2,683.83 = 490.66/x
  3. Step 3: Cross multiply
    1,789.24x = 2,683.83 × 490.66
  4. Step 4: Simplify right side
    1,789.24x = 1,316,848.03
  5. Step 5: Solve for x
    x = 1,316,848.03/1,789.24
  6. Step 6: Final answer
    x = 735.98

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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.