Home / 3,238.77-4,858.16-1,290.99

Finding the Fourth Proportional to 3,238.77, 4,858.16 and 1,290.99

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Solution

The fourth proportional to 3,238.77, 4,858.16 and 1,290.99 is: 1,936.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.77 : 4,858.16 = 1,290.99 : x
  2. Step 2: Convert to fraction form
    3,238.77/4,858.16 = 1,290.99/x
  3. Step 3: Cross multiply
    3,238.77x = 4,858.16 × 1,290.99
  4. Step 4: Simplify right side
    3,238.77x = 6,271,835.98
  5. Step 5: Solve for x
    x = 6,271,835.98/3,238.77
  6. Step 6: Final answer
    x = 1,936.49

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Similar ratio
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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.