Home / 2,647.37-3,651.32-1,761.64

Finding the Fourth Proportional to 2,647.37, 3,651.32 and 1,761.64

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Solution

The fourth proportional to 2,647.37, 3,651.32 and 1,761.64 is: 2,429.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.37 : 3,651.32 = 1,761.64 : x
  2. Step 2: Convert to fraction form
    2,647.37/3,651.32 = 1,761.64/x
  3. Step 3: Cross multiply
    2,647.37x = 3,651.32 × 1,761.64
  4. Step 4: Simplify right side
    2,647.37x = 6,432,284.30
  5. Step 5: Solve for x
    x = 6,432,284.30/2,647.37
  6. Step 6: Final answer
    x = 2,429.69

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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.