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Finding the Fourth Proportional to 2,894.75, 3,996.68 and 1,792.67

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Solution

The fourth proportional to 2,894.75, 3,996.68 and 1,792.67 is: 2,475.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.75 : 3,996.68 = 1,792.67 : x
  2. Step 2: Convert to fraction form
    2,894.75/3,996.68 = 1,792.67/x
  3. Step 3: Cross multiply
    2,894.75x = 3,996.68 × 1,792.67
  4. Step 4: Simplify right side
    2,894.75x = 7,164,719.37
  5. Step 5: Solve for x
    x = 7,164,719.37/2,894.75
  6. Step 6: Final answer
    x = 2,475.07

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1.5x scale

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.