Home / 2,904-4,004.81-2,239.80

Finding the Fourth Proportional to 2,904, 4,004.81 and 2,239.80

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Solution

The fourth proportional to 2,904, 4,004.81 and 2,239.80 is: 3,088.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904 : 4,004.81 = 2,239.80 : x
  2. Step 2: Convert to fraction form
    2,904/4,004.81 = 2,239.80/x
  3. Step 3: Cross multiply
    2,904x = 4,004.81 × 2,239.80
  4. Step 4: Simplify right side
    2,904x = 8,969,962.24
  5. Step 5: Solve for x
    x = 8,969,962.24/2,904
  6. Step 6: Final answer
    x = 3,088.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.