Home / 3,399.40-5,094.30-1,345

Finding the Fourth Proportional to 3,399.40, 5,094.30 and 1,345

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Solution

The fourth proportional to 3,399.40, 5,094.30 and 1,345 is: 2,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.40 : 5,094.30 = 1,345 : x
  2. Step 2: Convert to fraction form
    3,399.40/5,094.30 = 1,345/x
  3. Step 3: Cross multiply
    3,399.40x = 5,094.30 × 1,345
  4. Step 4: Simplify right side
    3,399.40x = 6,851,833.50
  5. Step 5: Solve for x
    x = 6,851,833.50/3,399.40
  6. Step 6: Final answer
    x = 2,015.60

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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.