Home / 1,619.83-2,427.69-1,034.65

Finding the Fourth Proportional to 1,619.83, 2,427.69 and 1,034.65

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Solution

The fourth proportional to 1,619.83, 2,427.69 and 1,034.65 is: 1,550.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.83 : 2,427.69 = 1,034.65 : x
  2. Step 2: Convert to fraction form
    1,619.83/2,427.69 = 1,034.65/x
  3. Step 3: Cross multiply
    1,619.83x = 2,427.69 × 1,034.65
  4. Step 4: Simplify right side
    1,619.83x = 2,511,809.46
  5. Step 5: Solve for x
    x = 2,511,809.46/1,619.83
  6. Step 6: Final answer
    x = 1,550.66

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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.