Home / 2,170.14-2,993.46-1,645.26

Finding the Fourth Proportional to 2,170.14, 2,993.46 and 1,645.26

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Solution

The fourth proportional to 2,170.14, 2,993.46 and 1,645.26 is: 2,269.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.14 : 2,993.46 = 1,645.26 : x
  2. Step 2: Convert to fraction form
    2,170.14/2,993.46 = 1,645.26/x
  3. Step 3: Cross multiply
    2,170.14x = 2,993.46 × 1,645.26
  4. Step 4: Simplify right side
    2,170.14x = 4,925,020.00
  5. Step 5: Solve for x
    x = 4,925,020.00/2,170.14
  6. Step 6: Final answer
    x = 2,269.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.