Home / 2,036.32-3,055.44-1,111.84

Finding the Fourth Proportional to 2,036.32, 3,055.44 and 1,111.84

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Solution

The fourth proportional to 2,036.32, 3,055.44 and 1,111.84 is: 1,668.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.32 : 3,055.44 = 1,111.84 : x
  2. Step 2: Convert to fraction form
    2,036.32/3,055.44 = 1,111.84/x
  3. Step 3: Cross multiply
    2,036.32x = 3,055.44 × 1,111.84
  4. Step 4: Simplify right side
    2,036.32x = 3,397,160.41
  5. Step 5: Solve for x
    x = 3,397,160.41/2,036.32
  6. Step 6: Final answer
    x = 1,668.28

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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.