Home / 3,359.45-5,005.40-3,170.81

Finding the Fourth Proportional to 3,359.45, 5,005.40 and 3,170.81

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Solution

The fourth proportional to 3,359.45, 5,005.40 and 3,170.81 is: 4,724.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.45 : 5,005.40 = 3,170.81 : x
  2. Step 2: Convert to fraction form
    3,359.45/5,005.40 = 3,170.81/x
  3. Step 3: Cross multiply
    3,359.45x = 5,005.40 × 3,170.81
  4. Step 4: Simplify right side
    3,359.45x = 15,871,172.37
  5. Step 5: Solve for x
    x = 15,871,172.37/3,359.45
  6. Step 6: Final answer
    x = 4,724.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.