Home / 3,086.64-4,625.78-1,697.90

Finding the Fourth Proportional to 3,086.64, 4,625.78 and 1,697.90

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Solution

The fourth proportional to 3,086.64, 4,625.78 and 1,697.90 is: 2,544.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.64 : 4,625.78 = 1,697.90 : x
  2. Step 2: Convert to fraction form
    3,086.64/4,625.78 = 1,697.90/x
  3. Step 3: Cross multiply
    3,086.64x = 4,625.78 × 1,697.90
  4. Step 4: Simplify right side
    3,086.64x = 7,854,080.24
  5. Step 5: Solve for x
    x = 7,854,080.24/3,086.64
  6. Step 6: Final answer
    x = 2,544.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.