Home / 1,842.46-2,542.66-1,003.20

Finding the Fourth Proportional to 1,842.46, 2,542.66 and 1,003.20

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Solution

The fourth proportional to 1,842.46, 2,542.66 and 1,003.20 is: 1,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.46 : 2,542.66 = 1,003.20 : x
  2. Step 2: Convert to fraction form
    1,842.46/2,542.66 = 1,003.20/x
  3. Step 3: Cross multiply
    1,842.46x = 2,542.66 × 1,003.20
  4. Step 4: Simplify right side
    1,842.46x = 2,550,794.00
  5. Step 5: Solve for x
    x = 2,550,794.00/1,842.46
  6. Step 6: Final answer
    x = 1,384.45

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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.