Home / 3,614.04-5,420.86-1,274.15

Finding the Fourth Proportional to 3,614.04, 5,420.86 and 1,274.15

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Solution

The fourth proportional to 3,614.04, 5,420.86 and 1,274.15 is: 1,911.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.04 : 5,420.86 = 1,274.15 : x
  2. Step 2: Convert to fraction form
    3,614.04/5,420.86 = 1,274.15/x
  3. Step 3: Cross multiply
    3,614.04x = 5,420.86 × 1,274.15
  4. Step 4: Simplify right side
    3,614.04x = 6,906,999.14
  5. Step 5: Solve for x
    x = 6,906,999.14/3,614.04
  6. Step 6: Final answer
    x = 1,911.16

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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.