Home / 2,190.43-3,023.91-1,486.00

Finding the Fourth Proportional to 2,190.43, 3,023.91 and 1,486.00

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Solution

The fourth proportional to 2,190.43, 3,023.91 and 1,486.00 is: 2,051.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.43 : 3,023.91 = 1,486.00 : x
  2. Step 2: Convert to fraction form
    2,190.43/3,023.91 = 1,486.00/x
  3. Step 3: Cross multiply
    2,190.43x = 3,023.91 × 1,486.00
  4. Step 4: Simplify right side
    2,190.43x = 4,493,522.70
  5. Step 5: Solve for x
    x = 4,493,522.70/2,190.43
  6. Step 6: Final answer
    x = 2,051.44

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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.