Home / 2,757.07-4,127.40-1,829.41

Finding the Fourth Proportional to 2,757.07, 4,127.40 and 1,829.41

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Solution

The fourth proportional to 2,757.07, 4,127.40 and 1,829.41 is: 2,738.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.07 : 4,127.40 = 1,829.41 : x
  2. Step 2: Convert to fraction form
    2,757.07/4,127.40 = 1,829.41/x
  3. Step 3: Cross multiply
    2,757.07x = 4,127.40 × 1,829.41
  4. Step 4: Simplify right side
    2,757.07x = 7,550,697.69
  5. Step 5: Solve for x
    x = 7,550,697.69/2,757.07
  6. Step 6: Final answer
    x = 2,738.67

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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.