Home / 2,166.23-3,247.59-1,993.25

Finding the Fourth Proportional to 2,166.23, 3,247.59 and 1,993.25

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Solution

The fourth proportional to 2,166.23, 3,247.59 and 1,993.25 is: 2,988.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166.23 : 3,247.59 = 1,993.25 : x
  2. Step 2: Convert to fraction form
    2,166.23/3,247.59 = 1,993.25/x
  3. Step 3: Cross multiply
    2,166.23x = 3,247.59 × 1,993.25
  4. Step 4: Simplify right side
    2,166.23x = 6,473,242.53
  5. Step 5: Solve for x
    x = 6,473,242.53/2,166.23
  6. Step 6: Final answer
    x = 2,988.26

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1.5x scale

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.