Home / 2,217.99-3,313.03-1,627.77

Finding the Fourth Proportional to 2,217.99, 3,313.03 and 1,627.77

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Solution

The fourth proportional to 2,217.99, 3,313.03 and 1,627.77 is: 2,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.99 : 3,313.03 = 1,627.77 : x
  2. Step 2: Convert to fraction form
    2,217.99/3,313.03 = 1,627.77/x
  3. Step 3: Cross multiply
    2,217.99x = 3,313.03 × 1,627.77
  4. Step 4: Simplify right side
    2,217.99x = 5,392,846.77
  5. Step 5: Solve for x
    x = 5,392,846.77/2,217.99
  6. Step 6: Final answer
    x = 2,431.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.