Home / 3,681.33-5,521.84-1,216.08

Finding the Fourth Proportional to 3,681.33, 5,521.84 and 1,216.08

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Solution

The fourth proportional to 3,681.33, 5,521.84 and 1,216.08 is: 1,824.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.33 : 5,521.84 = 1,216.08 : x
  2. Step 2: Convert to fraction form
    3,681.33/5,521.84 = 1,216.08/x
  3. Step 3: Cross multiply
    3,681.33x = 5,521.84 × 1,216.08
  4. Step 4: Simplify right side
    3,681.33x = 6,714,999.19
  5. Step 5: Solve for x
    x = 6,714,999.19/3,681.33
  6. Step 6: Final answer
    x = 1,824.07

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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.