Home / 3,369.12-5,052.87-1,420.26

Finding the Fourth Proportional to 3,369.12, 5,052.87 and 1,420.26

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Solution

The fourth proportional to 3,369.12, 5,052.87 and 1,420.26 is: 2,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.12 : 5,052.87 = 1,420.26 : x
  2. Step 2: Convert to fraction form
    3,369.12/5,052.87 = 1,420.26/x
  3. Step 3: Cross multiply
    3,369.12x = 5,052.87 × 1,420.26
  4. Step 4: Simplify right side
    3,369.12x = 7,176,389.15
  5. Step 5: Solve for x
    x = 7,176,389.15/3,369.12
  6. Step 6: Final answer
    x = 2,130.05

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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.