Home / 1,336.19-2,004.93-556.79

Finding the Fourth Proportional to 1,336.19, 2,004.93 and 556.79

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Solution

The fourth proportional to 1,336.19, 2,004.93 and 556.79 is: 835.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.19 : 2,004.93 = 556.79 : x
  2. Step 2: Convert to fraction form
    1,336.19/2,004.93 = 556.79/x
  3. Step 3: Cross multiply
    1,336.19x = 2,004.93 × 556.79
  4. Step 4: Simplify right side
    1,336.19x = 1,116,324.97
  5. Step 5: Solve for x
    x = 1,116,324.97/1,336.19
  6. Step 6: Final answer
    x = 835.45

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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.