Home / 2,065.03-2,849.70-1,120.79

Finding the Fourth Proportional to 2,065.03, 2,849.70 and 1,120.79

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Solution

The fourth proportional to 2,065.03, 2,849.70 and 1,120.79 is: 1,546.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.03 : 2,849.70 = 1,120.79 : x
  2. Step 2: Convert to fraction form
    2,065.03/2,849.70 = 1,120.79/x
  3. Step 3: Cross multiply
    2,065.03x = 2,849.70 × 1,120.79
  4. Step 4: Simplify right side
    2,065.03x = 3,193,915.26
  5. Step 5: Solve for x
    x = 3,193,915.26/2,065.03
  6. Step 6: Final answer
    x = 1,546.67

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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.