Home / 1,642.14-2,262.96-1,051.65

Finding the Fourth Proportional to 1,642.14, 2,262.96 and 1,051.65

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Solution

The fourth proportional to 1,642.14, 2,262.96 and 1,051.65 is: 1,449.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642.14 : 2,262.96 = 1,051.65 : x
  2. Step 2: Convert to fraction form
    1,642.14/2,262.96 = 1,051.65/x
  3. Step 3: Cross multiply
    1,642.14x = 2,262.96 × 1,051.65
  4. Step 4: Simplify right side
    1,642.14x = 2,379,841.88
  5. Step 5: Solve for x
    x = 2,379,841.88/1,642.14
  6. Step 6: Final answer
    x = 1,449.23

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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.