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Finding the Fourth Proportional to 2,628.92, 3,941.94 and 897.08

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Solution

The fourth proportional to 2,628.92, 3,941.94 and 897.08 is: 1,345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.92 : 3,941.94 = 897.08 : x
  2. Step 2: Convert to fraction form
    2,628.92/3,941.94 = 897.08/x
  3. Step 3: Cross multiply
    2,628.92x = 3,941.94 × 897.08
  4. Step 4: Simplify right side
    2,628.92x = 3,536,235.54
  5. Step 5: Solve for x
    x = 3,536,235.54/2,628.92
  6. Step 6: Final answer
    x = 1,345.13

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Double scale
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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.