Home / 2,190.19-3,021.34-1,482.07

Finding the Fourth Proportional to 2,190.19, 3,021.34 and 1,482.07

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Solution

The fourth proportional to 2,190.19, 3,021.34 and 1,482.07 is: 2,044.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.19 : 3,021.34 = 1,482.07 : x
  2. Step 2: Convert to fraction form
    2,190.19/3,021.34 = 1,482.07/x
  3. Step 3: Cross multiply
    2,190.19x = 3,021.34 × 1,482.07
  4. Step 4: Simplify right side
    2,190.19x = 4,477,837.37
  5. Step 5: Solve for x
    x = 4,477,837.37/2,190.19
  6. Step 6: Final answer
    x = 2,044.50

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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.