Home / 3,003.03-4,500.31-1,420.06

Finding the Fourth Proportional to 3,003.03, 4,500.31 and 1,420.06

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Solution

The fourth proportional to 3,003.03, 4,500.31 and 1,420.06 is: 2,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.03 : 4,500.31 = 1,420.06 : x
  2. Step 2: Convert to fraction form
    3,003.03/4,500.31 = 1,420.06/x
  3. Step 3: Cross multiply
    3,003.03x = 4,500.31 × 1,420.06
  4. Step 4: Simplify right side
    3,003.03x = 6,390,710.22
  5. Step 5: Solve for x
    x = 6,390,710.22/3,003.03
  6. Step 6: Final answer
    x = 2,128.09

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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.