Home / 3,381.10-5,070.42-1,300.03

Finding the Fourth Proportional to 3,381.10, 5,070.42 and 1,300.03

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Solution

The fourth proportional to 3,381.10, 5,070.42 and 1,300.03 is: 1,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.10 : 5,070.42 = 1,300.03 : x
  2. Step 2: Convert to fraction form
    3,381.10/5,070.42 = 1,300.03/x
  3. Step 3: Cross multiply
    3,381.10x = 5,070.42 × 1,300.03
  4. Step 4: Simplify right side
    3,381.10x = 6,591,698.11
  5. Step 5: Solve for x
    x = 6,591,698.11/3,381.10
  6. Step 6: Final answer
    x = 1,949.57

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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.