Home / 2,231.04-3,079.44-1,445.16

Finding the Fourth Proportional to 2,231.04, 3,079.44 and 1,445.16

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Solution

The fourth proportional to 2,231.04, 3,079.44 and 1,445.16 is: 1,994.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.04 : 3,079.44 = 1,445.16 : x
  2. Step 2: Convert to fraction form
    2,231.04/3,079.44 = 1,445.16/x
  3. Step 3: Cross multiply
    2,231.04x = 3,079.44 × 1,445.16
  4. Step 4: Simplify right side
    2,231.04x = 4,450,283.51
  5. Step 5: Solve for x
    x = 4,450,283.51/2,231.04
  6. Step 6: Final answer
    x = 1,994.71

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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.