Home / 2,138.10-3,207.06-1,041.36

Finding the Fourth Proportional to 2,138.10, 3,207.06 and 1,041.36

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Solution

The fourth proportional to 2,138.10, 3,207.06 and 1,041.36 is: 1,562.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138.10 : 3,207.06 = 1,041.36 : x
  2. Step 2: Convert to fraction form
    2,138.10/3,207.06 = 1,041.36/x
  3. Step 3: Cross multiply
    2,138.10x = 3,207.06 × 1,041.36
  4. Step 4: Simplify right side
    2,138.10x = 3,339,704.00
  5. Step 5: Solve for x
    x = 3,339,704.00/2,138.10
  6. Step 6: Final answer
    x = 1,562.00

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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.