Home / 2,647.17-3,653.19-1,785.99

Finding the Fourth Proportional to 2,647.17, 3,653.19 and 1,785.99

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Solution

The fourth proportional to 2,647.17, 3,653.19 and 1,785.99 is: 2,464.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.17 : 3,653.19 = 1,785.99 : x
  2. Step 2: Convert to fraction form
    2,647.17/3,653.19 = 1,785.99/x
  3. Step 3: Cross multiply
    2,647.17x = 3,653.19 × 1,785.99
  4. Step 4: Simplify right side
    2,647.17x = 6,524,560.81
  5. Step 5: Solve for x
    x = 6,524,560.81/2,647.17
  6. Step 6: Final answer
    x = 2,464.73

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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.