Home / 2,842.80-4,265.37-1,112.64

Finding the Fourth Proportional to 2,842.80, 4,265.37 and 1,112.64

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Solution

The fourth proportional to 2,842.80, 4,265.37 and 1,112.64 is: 1,669.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.80 : 4,265.37 = 1,112.64 : x
  2. Step 2: Convert to fraction form
    2,842.80/4,265.37 = 1,112.64/x
  3. Step 3: Cross multiply
    2,842.80x = 4,265.37 × 1,112.64
  4. Step 4: Simplify right side
    2,842.80x = 4,745,821.28
  5. Step 5: Solve for x
    x = 4,745,821.28/2,842.80
  6. Step 6: Final answer
    x = 1,669.42

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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.