Home / 3,119.26-4,304.47-1,859.67

Finding the Fourth Proportional to 3,119.26, 4,304.47 and 1,859.67

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Solution

The fourth proportional to 3,119.26, 4,304.47 and 1,859.67 is: 2,566.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.26 : 4,304.47 = 1,859.67 : x
  2. Step 2: Convert to fraction form
    3,119.26/4,304.47 = 1,859.67/x
  3. Step 3: Cross multiply
    3,119.26x = 4,304.47 × 1,859.67
  4. Step 4: Simplify right side
    3,119.26x = 8,004,872.20
  5. Step 5: Solve for x
    x = 8,004,872.20/3,119.26
  6. Step 6: Final answer
    x = 2,566.27

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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.