Home / 2,904.25-4,005.15-2,240.05

Finding the Fourth Proportional to 2,904.25, 4,005.15 and 2,240.05

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Solution

The fourth proportional to 2,904.25, 4,005.15 and 2,240.05 is: 3,089.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.25 : 4,005.15 = 2,240.05 : x
  2. Step 2: Convert to fraction form
    2,904.25/4,005.15 = 2,240.05/x
  3. Step 3: Cross multiply
    2,904.25x = 4,005.15 × 2,240.05
  4. Step 4: Simplify right side
    2,904.25x = 8,971,736.26
  5. Step 5: Solve for x
    x = 8,971,736.26/2,904.25
  6. Step 6: Final answer
    x = 3,089.17

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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.