Home / 2,284.00-3,151.81-1,289.35

Finding the Fourth Proportional to 2,284.00, 3,151.81 and 1,289.35

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Solution

The fourth proportional to 2,284.00, 3,151.81 and 1,289.35 is: 1,779.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.00 : 3,151.81 = 1,289.35 : x
  2. Step 2: Convert to fraction form
    2,284.00/3,151.81 = 1,289.35/x
  3. Step 3: Cross multiply
    2,284.00x = 3,151.81 × 1,289.35
  4. Step 4: Simplify right side
    2,284.00x = 4,063,791.77
  5. Step 5: Solve for x
    x = 4,063,791.77/2,284.00
  6. Step 6: Final answer
    x = 1,779.25

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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.