Home / 1,754.09-2,418.80-1,124.65

Finding the Fourth Proportional to 1,754.09, 2,418.80 and 1,124.65

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Solution

The fourth proportional to 1,754.09, 2,418.80 and 1,124.65 is: 1,550.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.09 : 2,418.80 = 1,124.65 : x
  2. Step 2: Convert to fraction form
    1,754.09/2,418.80 = 1,124.65/x
  3. Step 3: Cross multiply
    1,754.09x = 2,418.80 × 1,124.65
  4. Step 4: Simplify right side
    1,754.09x = 2,720,300.82
  5. Step 5: Solve for x
    x = 2,720,300.82/1,754.09
  6. Step 6: Final answer
    x = 1,550.83

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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.