Home / 2,283.44-3,151.46-1,289.12

Finding the Fourth Proportional to 2,283.44, 3,151.46 and 1,289.12

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Solution

The fourth proportional to 2,283.44, 3,151.46 and 1,289.12 is: 1,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.44 : 3,151.46 = 1,289.12 : x
  2. Step 2: Convert to fraction form
    2,283.44/3,151.46 = 1,289.12/x
  3. Step 3: Cross multiply
    2,283.44x = 3,151.46 × 1,289.12
  4. Step 4: Simplify right side
    2,283.44x = 4,062,610.12
  5. Step 5: Solve for x
    x = 4,062,610.12/2,283.44
  6. Step 6: Final answer
    x = 1,779.16

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1.5x scale

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.