Home / 3,722.65-5,583.79-1,642.09

Finding the Fourth Proportional to 3,722.65, 5,583.79 and 1,642.09

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Solution

The fourth proportional to 3,722.65, 5,583.79 and 1,642.09 is: 2,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.65 : 5,583.79 = 1,642.09 : x
  2. Step 2: Convert to fraction form
    3,722.65/5,583.79 = 1,642.09/x
  3. Step 3: Cross multiply
    3,722.65x = 5,583.79 × 1,642.09
  4. Step 4: Simplify right side
    3,722.65x = 9,169,085.72
  5. Step 5: Solve for x
    x = 9,169,085.72/3,722.65
  6. Step 6: Final answer
    x = 2,463.05

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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.