Home / 3,342.60-5,016.30-1,396.20

Finding the Fourth Proportional to 3,342.60, 5,016.30 and 1,396.20

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Solution

The fourth proportional to 3,342.60, 5,016.30 and 1,396.20 is: 2,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.60 : 5,016.30 = 1,396.20 : x
  2. Step 2: Convert to fraction form
    3,342.60/5,016.30 = 1,396.20/x
  3. Step 3: Cross multiply
    3,342.60x = 5,016.30 × 1,396.20
  4. Step 4: Simplify right side
    3,342.60x = 7,003,758.06
  5. Step 5: Solve for x
    x = 7,003,758.06/3,342.60
  6. Step 6: Final answer
    x = 2,095.30

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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.