Home / 3,287.04-4,931.64-2,055.30

Finding the Fourth Proportional to 3,287.04, 4,931.64 and 2,055.30

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Solution

The fourth proportional to 3,287.04, 4,931.64 and 2,055.30 is: 3,083.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.04 : 4,931.64 = 2,055.30 : x
  2. Step 2: Convert to fraction form
    3,287.04/4,931.64 = 2,055.30/x
  3. Step 3: Cross multiply
    3,287.04x = 4,931.64 × 2,055.30
  4. Step 4: Simplify right side
    3,287.04x = 10,135,999.69
  5. Step 5: Solve for x
    x = 10,135,999.69/3,287.04
  6. Step 6: Final answer
    x = 3,083.63

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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.