Home / 3,724.22-5,587.88-1,971.21

Finding the Fourth Proportional to 3,724.22, 5,587.88 and 1,971.21

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Solution

The fourth proportional to 3,724.22, 5,587.88 and 1,971.21 is: 2,957.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.22 : 5,587.88 = 1,971.21 : x
  2. Step 2: Convert to fraction form
    3,724.22/5,587.88 = 1,971.21/x
  3. Step 3: Cross multiply
    3,724.22x = 5,587.88 × 1,971.21
  4. Step 4: Simplify right side
    3,724.22x = 11,014,875.08
  5. Step 5: Solve for x
    x = 11,014,875.08/3,724.22
  6. Step 6: Final answer
    x = 2,957.64

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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.