Home / 2,842.12-4,263.90-894.34

Finding the Fourth Proportional to 2,842.12, 4,263.90 and 894.34

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Solution

The fourth proportional to 2,842.12, 4,263.90 and 894.34 is: 1,341.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.12 : 4,263.90 = 894.34 : x
  2. Step 2: Convert to fraction form
    2,842.12/4,263.90 = 894.34/x
  3. Step 3: Cross multiply
    2,842.12x = 4,263.90 × 894.34
  4. Step 4: Simplify right side
    2,842.12x = 3,813,376.33
  5. Step 5: Solve for x
    x = 3,813,376.33/2,842.12
  6. Step 6: Final answer
    x = 1,341.74

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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.