Home / 2,964.43-4,090.73-1,638.13

Finding the Fourth Proportional to 2,964.43, 4,090.73 and 1,638.13

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Solution

The fourth proportional to 2,964.43, 4,090.73 and 1,638.13 is: 2,260.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.43 : 4,090.73 = 1,638.13 : x
  2. Step 2: Convert to fraction form
    2,964.43/4,090.73 = 1,638.13/x
  3. Step 3: Cross multiply
    2,964.43x = 4,090.73 × 1,638.13
  4. Step 4: Simplify right side
    2,964.43x = 6,701,147.53
  5. Step 5: Solve for x
    x = 6,701,147.53/2,964.43
  6. Step 6: Final answer
    x = 2,260.52

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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.