Home / 3,936.15-5,902.97-1,303.16

Finding the Fourth Proportional to 3,936.15, 5,902.97 and 1,303.16

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Solution

The fourth proportional to 3,936.15, 5,902.97 and 1,303.16 is: 1,954.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.15 : 5,902.97 = 1,303.16 : x
  2. Step 2: Convert to fraction form
    3,936.15/5,902.97 = 1,303.16/x
  3. Step 3: Cross multiply
    3,936.15x = 5,902.97 × 1,303.16
  4. Step 4: Simplify right side
    3,936.15x = 7,692,478.35
  5. Step 5: Solve for x
    x = 7,692,478.35/3,936.15
  6. Step 6: Final answer
    x = 1,954.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.