Home / 2,069.03-3,103.17-682.38

Finding the Fourth Proportional to 2,069.03, 3,103.17 and 682.38

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Solution

The fourth proportional to 2,069.03, 3,103.17 and 682.38 is: 1,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.03 : 3,103.17 = 682.38 : x
  2. Step 2: Convert to fraction form
    2,069.03/3,103.17 = 682.38/x
  3. Step 3: Cross multiply
    2,069.03x = 3,103.17 × 682.38
  4. Step 4: Simplify right side
    2,069.03x = 2,117,541.14
  5. Step 5: Solve for x
    x = 2,117,541.14/2,069.03
  6. Step 6: Final answer
    x = 1,023.45

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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.