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Finding the Fourth Proportional to 3,085.48, 4,628.19 and 894.19

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Solution

The fourth proportional to 3,085.48, 4,628.19 and 894.19 is: 1,341.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.48 : 4,628.19 = 894.19 : x
  2. Step 2: Convert to fraction form
    3,085.48/4,628.19 = 894.19/x
  3. Step 3: Cross multiply
    3,085.48x = 4,628.19 × 894.19
  4. Step 4: Simplify right side
    3,085.48x = 4,138,481.22
  5. Step 5: Solve for x
    x = 4,138,481.22/3,085.48
  6. Step 6: Final answer
    x = 1,341.28

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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.