Home / 3,055.40-4,578.21-1,958.85

Finding the Fourth Proportional to 3,055.40, 4,578.21 and 1,958.85

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Solution

The fourth proportional to 3,055.40, 4,578.21 and 1,958.85 is: 2,935.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.40 : 4,578.21 = 1,958.85 : x
  2. Step 2: Convert to fraction form
    3,055.40/4,578.21 = 1,958.85/x
  3. Step 3: Cross multiply
    3,055.40x = 4,578.21 × 1,958.85
  4. Step 4: Simplify right side
    3,055.40x = 8,968,026.66
  5. Step 5: Solve for x
    x = 8,968,026.66/3,055.40
  6. Step 6: Final answer
    x = 2,935.14

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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.