Home / 1,666.80-2,497.82-1,224.59

Finding the Fourth Proportional to 1,666.80, 2,497.82 and 1,224.59

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Solution

The fourth proportional to 1,666.80, 2,497.82 and 1,224.59 is: 1,835.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666.80 : 2,497.82 = 1,224.59 : x
  2. Step 2: Convert to fraction form
    1,666.80/2,497.82 = 1,224.59/x
  3. Step 3: Cross multiply
    1,666.80x = 2,497.82 × 1,224.59
  4. Step 4: Simplify right side
    1,666.80x = 3,058,786.78
  5. Step 5: Solve for x
    x = 3,058,786.78/1,666.80
  6. Step 6: Final answer
    x = 1,835.13

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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.