Home / 3,399.02-5,098.26-1,207.70

Finding the Fourth Proportional to 3,399.02, 5,098.26 and 1,207.70

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Solution

The fourth proportional to 3,399.02, 5,098.26 and 1,207.70 is: 1,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.02 : 5,098.26 = 1,207.70 : x
  2. Step 2: Convert to fraction form
    3,399.02/5,098.26 = 1,207.70/x
  3. Step 3: Cross multiply
    3,399.02x = 5,098.26 × 1,207.70
  4. Step 4: Simplify right side
    3,399.02x = 6,157,168.60
  5. Step 5: Solve for x
    x = 6,157,168.60/3,399.02
  6. Step 6: Final answer
    x = 1,811.45

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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.