Home / 1,765.14-2,437.89-1,204.65

Finding the Fourth Proportional to 1,765.14, 2,437.89 and 1,204.65

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Solution

The fourth proportional to 1,765.14, 2,437.89 and 1,204.65 is: 1,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.14 : 2,437.89 = 1,204.65 : x
  2. Step 2: Convert to fraction form
    1,765.14/2,437.89 = 1,204.65/x
  3. Step 3: Cross multiply
    1,765.14x = 2,437.89 × 1,204.65
  4. Step 4: Simplify right side
    1,765.14x = 2,936,804.19
  5. Step 5: Solve for x
    x = 2,936,804.19/1,765.14
  6. Step 6: Final answer
    x = 1,663.78

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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.