Home / 2,145.27-2,975.62-2,088.37

Finding the Fourth Proportional to 2,145.27, 2,975.62 and 2,088.37

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Solution

The fourth proportional to 2,145.27, 2,975.62 and 2,088.37 is: 2,896.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145.27 : 2,975.62 = 2,088.37 : x
  2. Step 2: Convert to fraction form
    2,145.27/2,975.62 = 2,088.37/x
  3. Step 3: Cross multiply
    2,145.27x = 2,975.62 × 2,088.37
  4. Step 4: Simplify right side
    2,145.27x = 6,214,181.22
  5. Step 5: Solve for x
    x = 6,214,181.22/2,145.27
  6. Step 6: Final answer
    x = 2,896.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.