Home / 2,963.91-4,090.11-1,637.59

Finding the Fourth Proportional to 2,963.91, 4,090.11 and 1,637.59

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Solution

The fourth proportional to 2,963.91, 4,090.11 and 1,637.59 is: 2,259.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.91 : 4,090.11 = 1,637.59 : x
  2. Step 2: Convert to fraction form
    2,963.91/4,090.11 = 1,637.59/x
  3. Step 3: Cross multiply
    2,963.91x = 4,090.11 × 1,637.59
  4. Step 4: Simplify right side
    2,963.91x = 6,697,923.23
  5. Step 5: Solve for x
    x = 6,697,923.23/2,963.91
  6. Step 6: Final answer
    x = 2,259.83

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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.