Home / 3,709.90-5,119.45-2,030.97

Finding the Fourth Proportional to 3,709.90, 5,119.45 and 2,030.97

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Solution

The fourth proportional to 3,709.90, 5,119.45 and 2,030.97 is: 2,802.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.90 : 5,119.45 = 2,030.97 : x
  2. Step 2: Convert to fraction form
    3,709.90/5,119.45 = 2,030.97/x
  3. Step 3: Cross multiply
    3,709.90x = 5,119.45 × 2,030.97
  4. Step 4: Simplify right side
    3,709.90x = 10,397,474.91
  5. Step 5: Solve for x
    x = 10,397,474.91/3,709.90
  6. Step 6: Final answer
    x = 2,802.63

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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.