Home / 3,160.21-4,739.61-1,774.17

Finding the Fourth Proportional to 3,160.21, 4,739.61 and 1,774.17

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Solution

The fourth proportional to 3,160.21, 4,739.61 and 1,774.17 is: 2,660.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.21 : 4,739.61 = 1,774.17 : x
  2. Step 2: Convert to fraction form
    3,160.21/4,739.61 = 1,774.17/x
  3. Step 3: Cross multiply
    3,160.21x = 4,739.61 × 1,774.17
  4. Step 4: Simplify right side
    3,160.21x = 8,408,873.87
  5. Step 5: Solve for x
    x = 8,408,873.87/3,160.21
  6. Step 6: Final answer
    x = 2,660.86

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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.