Home / 2,284.06-3,151.73-1,289.28

Finding the Fourth Proportional to 2,284.06, 3,151.73 and 1,289.28

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Solution

The fourth proportional to 2,284.06, 3,151.73 and 1,289.28 is: 1,779.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.06 : 3,151.73 = 1,289.28 : x
  2. Step 2: Convert to fraction form
    2,284.06/3,151.73 = 1,289.28/x
  3. Step 3: Cross multiply
    2,284.06x = 3,151.73 × 1,289.28
  4. Step 4: Simplify right side
    2,284.06x = 4,063,440.25
  5. Step 5: Solve for x
    x = 4,063,440.25/2,284.06
  6. Step 6: Final answer
    x = 1,779.04

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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.