Home / 1,637.44-2,259.84-939.04

Finding the Fourth Proportional to 1,637.44, 2,259.84 and 939.04

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Solution

The fourth proportional to 1,637.44, 2,259.84 and 939.04 is: 1,295.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.44 : 2,259.84 = 939.04 : x
  2. Step 2: Convert to fraction form
    1,637.44/2,259.84 = 939.04/x
  3. Step 3: Cross multiply
    1,637.44x = 2,259.84 × 939.04
  4. Step 4: Simplify right side
    1,637.44x = 2,122,080.15
  5. Step 5: Solve for x
    x = 2,122,080.15/1,637.44
  6. Step 6: Final answer
    x = 1,295.97

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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.