Home / 2,232.06-3,080.58-1,288.02

Finding the Fourth Proportional to 2,232.06, 3,080.58 and 1,288.02

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Solution

The fourth proportional to 2,232.06, 3,080.58 and 1,288.02 is: 1,777.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.06 : 3,080.58 = 1,288.02 : x
  2. Step 2: Convert to fraction form
    2,232.06/3,080.58 = 1,288.02/x
  3. Step 3: Cross multiply
    2,232.06x = 3,080.58 × 1,288.02
  4. Step 4: Simplify right side
    2,232.06x = 3,967,848.65
  5. Step 5: Solve for x
    x = 3,967,848.65/2,232.06
  6. Step 6: Final answer
    x = 1,777.66

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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.