Home / 3,107.44-4,659.80-1,646.26

Finding the Fourth Proportional to 3,107.44, 4,659.80 and 1,646.26

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Solution

The fourth proportional to 3,107.44, 4,659.80 and 1,646.26 is: 2,468.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.44 : 4,659.80 = 1,646.26 : x
  2. Step 2: Convert to fraction form
    3,107.44/4,659.80 = 1,646.26/x
  3. Step 3: Cross multiply
    3,107.44x = 4,659.80 × 1,646.26
  4. Step 4: Simplify right side
    3,107.44x = 7,671,222.47
  5. Step 5: Solve for x
    x = 7,671,222.47/3,107.44
  6. Step 6: Final answer
    x = 2,468.66

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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.