Home / 3,024.82-4,172.25-2,130.49

Finding the Fourth Proportional to 3,024.82, 4,172.25 and 2,130.49

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Solution

The fourth proportional to 3,024.82, 4,172.25 and 2,130.49 is: 2,938.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,024.82 : 4,172.25 = 2,130.49 : x
  2. Step 2: Convert to fraction form
    3,024.82/4,172.25 = 2,130.49/x
  3. Step 3: Cross multiply
    3,024.82x = 4,172.25 × 2,130.49
  4. Step 4: Simplify right side
    3,024.82x = 8,888,936.90
  5. Step 5: Solve for x
    x = 8,888,936.90/3,024.82
  6. Step 6: Final answer
    x = 2,938.67

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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.