Home / 3,210.12-4,807.44-1,745.64

Finding the Fourth Proportional to 3,210.12, 4,807.44 and 1,745.64

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Solution

The fourth proportional to 3,210.12, 4,807.44 and 1,745.64 is: 2,614.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.12 : 4,807.44 = 1,745.64 : x
  2. Step 2: Convert to fraction form
    3,210.12/4,807.44 = 1,745.64/x
  3. Step 3: Cross multiply
    3,210.12x = 4,807.44 × 1,745.64
  4. Step 4: Simplify right side
    3,210.12x = 8,392,059.56
  5. Step 5: Solve for x
    x = 8,392,059.56/3,210.12
  6. Step 6: Final answer
    x = 2,614.25

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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.