Home / 3,348.21-5,022.30-1,399.35

Finding the Fourth Proportional to 3,348.21, 5,022.30 and 1,399.35

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Solution

The fourth proportional to 3,348.21, 5,022.30 and 1,399.35 is: 2,099.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.21 : 5,022.30 = 1,399.35 : x
  2. Step 2: Convert to fraction form
    3,348.21/5,022.30 = 1,399.35/x
  3. Step 3: Cross multiply
    3,348.21x = 5,022.30 × 1,399.35
  4. Step 4: Simplify right side
    3,348.21x = 7,027,955.51
  5. Step 5: Solve for x
    x = 7,027,955.51/3,348.21
  6. Step 6: Final answer
    x = 2,099.02

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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.