Home / 2,284.38-3,152.48-1,289.66

Finding the Fourth Proportional to 2,284.38, 3,152.48 and 1,289.66

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Solution

The fourth proportional to 2,284.38, 3,152.48 and 1,289.66 is: 1,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.38 : 3,152.48 = 1,289.66 : x
  2. Step 2: Convert to fraction form
    2,284.38/3,152.48 = 1,289.66/x
  3. Step 3: Cross multiply
    2,284.38x = 3,152.48 × 1,289.66
  4. Step 4: Simplify right side
    2,284.38x = 4,065,605.15
  5. Step 5: Solve for x
    x = 4,065,605.15/2,284.38
  6. Step 6: Final answer
    x = 1,779.74

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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.