Home / 3,637.44-5,015.16-3,105.36

Finding the Fourth Proportional to 3,637.44, 5,015.16 and 3,105.36

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Solution

The fourth proportional to 3,637.44, 5,015.16 and 3,105.36 is: 4,281.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.44 : 5,015.16 = 3,105.36 : x
  2. Step 2: Convert to fraction form
    3,637.44/5,015.16 = 3,105.36/x
  3. Step 3: Cross multiply
    3,637.44x = 5,015.16 × 3,105.36
  4. Step 4: Simplify right side
    3,637.44x = 15,573,877.26
  5. Step 5: Solve for x
    x = 15,573,877.26/3,637.44
  6. Step 6: Final answer
    x = 4,281.55

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1.5x scale

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.