Home / 2,287.37-3,431.63-1,055.64

Finding the Fourth Proportional to 2,287.37, 3,431.63 and 1,055.64

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Solution

The fourth proportional to 2,287.37, 3,431.63 and 1,055.64 is: 1,583.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.37 : 3,431.63 = 1,055.64 : x
  2. Step 2: Convert to fraction form
    2,287.37/3,431.63 = 1,055.64/x
  3. Step 3: Cross multiply
    2,287.37x = 3,431.63 × 1,055.64
  4. Step 4: Simplify right side
    2,287.37x = 3,622,560.62
  5. Step 5: Solve for x
    x = 3,622,560.62/2,287.37
  6. Step 6: Final answer
    x = 1,583.72

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1.5x scale

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.