Home / 1,722.98-2,584.45-1,418.62

Finding the Fourth Proportional to 1,722.98, 2,584.45 and 1,418.62

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Solution

The fourth proportional to 1,722.98, 2,584.45 and 1,418.62 is: 2,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.98 : 2,584.45 = 1,418.62 : x
  2. Step 2: Convert to fraction form
    1,722.98/2,584.45 = 1,418.62/x
  3. Step 3: Cross multiply
    1,722.98x = 2,584.45 × 1,418.62
  4. Step 4: Simplify right side
    1,722.98x = 3,666,352.46
  5. Step 5: Solve for x
    x = 3,666,352.46/1,722.98
  6. Step 6: Final answer
    x = 2,127.91

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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.