Home / 3,104.51-4,284.32-1,778.63

Finding the Fourth Proportional to 3,104.51, 4,284.32 and 1,778.63

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Solution

The fourth proportional to 3,104.51, 4,284.32 and 1,778.63 is: 2,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.51 : 4,284.32 = 1,778.63 : x
  2. Step 2: Convert to fraction form
    3,104.51/4,284.32 = 1,778.63/x
  3. Step 3: Cross multiply
    3,104.51x = 4,284.32 × 1,778.63
  4. Step 4: Simplify right side
    3,104.51x = 7,620,189.77
  5. Step 5: Solve for x
    x = 7,620,189.77/3,104.51
  6. Step 6: Final answer
    x = 2,454.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.