Home / 1,789.36-2,468.49-1,159.99

Finding the Fourth Proportional to 1,789.36, 2,468.49 and 1,159.99

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Solution

The fourth proportional to 1,789.36, 2,468.49 and 1,159.99 is: 1,600.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.36 : 2,468.49 = 1,159.99 : x
  2. Step 2: Convert to fraction form
    1,789.36/2,468.49 = 1,159.99/x
  3. Step 3: Cross multiply
    1,789.36x = 2,468.49 × 1,159.99
  4. Step 4: Simplify right side
    1,789.36x = 2,863,433.60
  5. Step 5: Solve for x
    x = 2,863,433.60/1,789.36
  6. Step 6: Final answer
    x = 1,600.25

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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.