Home / 1,842.39-2,763.99-1,021.86

Finding the Fourth Proportional to 1,842.39, 2,763.99 and 1,021.86

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Solution

The fourth proportional to 1,842.39, 2,763.99 and 1,021.86 is: 1,533.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.39 : 2,763.99 = 1,021.86 : x
  2. Step 2: Convert to fraction form
    1,842.39/2,763.99 = 1,021.86/x
  3. Step 3: Cross multiply
    1,842.39x = 2,763.99 × 1,021.86
  4. Step 4: Simplify right side
    1,842.39x = 2,824,410.82
  5. Step 5: Solve for x
    x = 2,824,410.82/1,842.39
  6. Step 6: Final answer
    x = 1,533.01

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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.