Home / 3,147.90-4,722.36-1,068.03

Finding the Fourth Proportional to 3,147.90, 4,722.36 and 1,068.03

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Solution

The fourth proportional to 3,147.90, 4,722.36 and 1,068.03 is: 1,602.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.90 : 4,722.36 = 1,068.03 : x
  2. Step 2: Convert to fraction form
    3,147.90/4,722.36 = 1,068.03/x
  3. Step 3: Cross multiply
    3,147.90x = 4,722.36 × 1,068.03
  4. Step 4: Simplify right side
    3,147.90x = 5,043,622.15
  5. Step 5: Solve for x
    x = 5,043,622.15/3,147.90
  6. Step 6: Final answer
    x = 1,602.22

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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.