Home / 2,187.73-3,019.09-1,193.01

Finding the Fourth Proportional to 2,187.73, 3,019.09 and 1,193.01

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Solution

The fourth proportional to 2,187.73, 3,019.09 and 1,193.01 is: 1,646.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.73 : 3,019.09 = 1,193.01 : x
  2. Step 2: Convert to fraction form
    2,187.73/3,019.09 = 1,193.01/x
  3. Step 3: Cross multiply
    2,187.73x = 3,019.09 × 1,193.01
  4. Step 4: Simplify right side
    2,187.73x = 3,601,804.56
  5. Step 5: Solve for x
    x = 3,601,804.56/2,187.73
  6. Step 6: Final answer
    x = 1,646.37

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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.