Home / 1,617.59-2,231.93-1,027.91

Finding the Fourth Proportional to 1,617.59, 2,231.93 and 1,027.91

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Solution

The fourth proportional to 1,617.59, 2,231.93 and 1,027.91 is: 1,418.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.59 : 2,231.93 = 1,027.91 : x
  2. Step 2: Convert to fraction form
    1,617.59/2,231.93 = 1,027.91/x
  3. Step 3: Cross multiply
    1,617.59x = 2,231.93 × 1,027.91
  4. Step 4: Simplify right side
    1,617.59x = 2,294,206.87
  5. Step 5: Solve for x
    x = 2,294,206.87/1,617.59
  6. Step 6: Final answer
    x = 1,418.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.