Home / 2,963.99-4,090.39-1,637.78

Finding the Fourth Proportional to 2,963.99, 4,090.39 and 1,637.78

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Solution

The fourth proportional to 2,963.99, 4,090.39 and 1,637.78 is: 2,260.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.99 : 4,090.39 = 1,637.78 : x
  2. Step 2: Convert to fraction form
    2,963.99/4,090.39 = 1,637.78/x
  3. Step 3: Cross multiply
    2,963.99x = 4,090.39 × 1,637.78
  4. Step 4: Simplify right side
    2,963.99x = 6,699,158.93
  5. Step 5: Solve for x
    x = 6,699,158.93/2,963.99
  6. Step 6: Final answer
    x = 2,260.18

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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.