Home / 2,823.85-3,896.45-1,775.17

Finding the Fourth Proportional to 2,823.85, 3,896.45 and 1,775.17

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Solution

The fourth proportional to 2,823.85, 3,896.45 and 1,775.17 is: 2,449.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.85 : 3,896.45 = 1,775.17 : x
  2. Step 2: Convert to fraction form
    2,823.85/3,896.45 = 1,775.17/x
  3. Step 3: Cross multiply
    2,823.85x = 3,896.45 × 1,775.17
  4. Step 4: Simplify right side
    2,823.85x = 6,916,846.10
  5. Step 5: Solve for x
    x = 6,916,846.10/2,823.85
  6. Step 6: Final answer
    x = 2,449.44

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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.