Home / 1,790.17-2,469.83-1,082.23

Finding the Fourth Proportional to 1,790.17, 2,469.83 and 1,082.23

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Solution

The fourth proportional to 1,790.17, 2,469.83 and 1,082.23 is: 1,493.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.17 : 2,469.83 = 1,082.23 : x
  2. Step 2: Convert to fraction form
    1,790.17/2,469.83 = 1,082.23/x
  3. Step 3: Cross multiply
    1,790.17x = 2,469.83 × 1,082.23
  4. Step 4: Simplify right side
    1,790.17x = 2,672,911.77
  5. Step 5: Solve for x
    x = 2,672,911.77/1,790.17
  6. Step 6: Final answer
    x = 1,493.11

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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.