Home / 3,709.49-5,119.16-2,030.90

Finding the Fourth Proportional to 3,709.49, 5,119.16 and 2,030.90

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Solution

The fourth proportional to 3,709.49, 5,119.16 and 2,030.90 is: 2,802.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.49 : 5,119.16 = 2,030.90 : x
  2. Step 2: Convert to fraction form
    3,709.49/5,119.16 = 2,030.90/x
  3. Step 3: Cross multiply
    3,709.49x = 5,119.16 × 2,030.90
  4. Step 4: Simplify right side
    3,709.49x = 10,396,466.29
  5. Step 5: Solve for x
    x = 10,396,466.29/3,709.49
  6. Step 6: Final answer
    x = 2,802.67

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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.