Home / 2,940.24-4,055.40-2,243.28

Finding the Fourth Proportional to 2,940.24, 4,055.40 and 2,243.28

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Solution

The fourth proportional to 2,940.24, 4,055.40 and 2,243.28 is: 3,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.24 : 4,055.40 = 2,243.28 : x
  2. Step 2: Convert to fraction form
    2,940.24/4,055.40 = 2,243.28/x
  3. Step 3: Cross multiply
    2,940.24x = 4,055.40 × 2,243.28
  4. Step 4: Simplify right side
    2,940.24x = 9,097,397.71
  5. Step 5: Solve for x
    x = 9,097,397.71/2,940.24
  6. Step 6: Final answer
    x = 3,094.10

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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.