Home / 1,857.98-2,789.74-1,169

Finding the Fourth Proportional to 1,857.98, 2,789.74 and 1,169

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Solution

The fourth proportional to 1,857.98, 2,789.74 and 1,169 is: 1,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.98 : 2,789.74 = 1,169 : x
  2. Step 2: Convert to fraction form
    1,857.98/2,789.74 = 1,169/x
  3. Step 3: Cross multiply
    1,857.98x = 2,789.74 × 1,169
  4. Step 4: Simplify right side
    1,857.98x = 3,261,206.06
  5. Step 5: Solve for x
    x = 3,261,206.06/1,857.98
  6. Step 6: Final answer
    x = 1,755.24

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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.