Home / 3,126.44-4,313.56-1,800.11

Finding the Fourth Proportional to 3,126.44, 4,313.56 and 1,800.11

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Solution

The fourth proportional to 3,126.44, 4,313.56 and 1,800.11 is: 2,483.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.44 : 4,313.56 = 1,800.11 : x
  2. Step 2: Convert to fraction form
    3,126.44/4,313.56 = 1,800.11/x
  3. Step 3: Cross multiply
    3,126.44x = 4,313.56 × 1,800.11
  4. Step 4: Simplify right side
    3,126.44x = 7,764,882.49
  5. Step 5: Solve for x
    x = 7,764,882.49/3,126.44
  6. Step 6: Final answer
    x = 2,483.62

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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.