Home / 3,326.16-4,989.20-1,274.16

Finding the Fourth Proportional to 3,326.16, 4,989.20 and 1,274.16

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Solution

The fourth proportional to 3,326.16, 4,989.20 and 1,274.16 is: 1,911.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.16 : 4,989.20 = 1,274.16 : x
  2. Step 2: Convert to fraction form
    3,326.16/4,989.20 = 1,274.16/x
  3. Step 3: Cross multiply
    3,326.16x = 4,989.20 × 1,274.16
  4. Step 4: Simplify right side
    3,326.16x = 6,357,014.13
  5. Step 5: Solve for x
    x = 6,357,014.13/3,326.16
  6. Step 6: Final answer
    x = 1,911.22

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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.