Home / 2,106.24-3,160.80-1,132.56

Finding the Fourth Proportional to 2,106.24, 3,160.80 and 1,132.56

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Solution

The fourth proportional to 2,106.24, 3,160.80 and 1,132.56 is: 1,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.24 : 3,160.80 = 1,132.56 : x
  2. Step 2: Convert to fraction form
    2,106.24/3,160.80 = 1,132.56/x
  3. Step 3: Cross multiply
    2,106.24x = 3,160.80 × 1,132.56
  4. Step 4: Simplify right side
    2,106.24x = 3,579,795.65
  5. Step 5: Solve for x
    x = 3,579,795.65/2,106.24
  6. Step 6: Final answer
    x = 1,699.61

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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.