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Finding the Fourth Proportional to 2,738.03, 4,106.03 and 888.67

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Solution

The fourth proportional to 2,738.03, 4,106.03 and 888.67 is: 1,332.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.03 : 4,106.03 = 888.67 : x
  2. Step 2: Convert to fraction form
    2,738.03/4,106.03 = 888.67/x
  3. Step 3: Cross multiply
    2,738.03x = 4,106.03 × 888.67
  4. Step 4: Simplify right side
    2,738.03x = 3,648,890.97
  5. Step 5: Solve for x
    x = 3,648,890.97/2,738.03
  6. Step 6: Final answer
    x = 1,332.67

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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.