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Finding the Fourth Proportional to 3,021.40, 4,532.43 and 941.05

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Solution

The fourth proportional to 3,021.40, 4,532.43 and 941.05 is: 1,411.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.40 : 4,532.43 = 941.05 : x
  2. Step 2: Convert to fraction form
    3,021.40/4,532.43 = 941.05/x
  3. Step 3: Cross multiply
    3,021.40x = 4,532.43 × 941.05
  4. Step 4: Simplify right side
    3,021.40x = 4,265,220.59
  5. Step 5: Solve for x
    x = 4,265,220.59/3,021.40
  6. Step 6: Final answer
    x = 1,411.67

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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.