Home / 3,055.85-4,216.83-1,876.94

Finding the Fourth Proportional to 3,055.85, 4,216.83 and 1,876.94

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Solution

The fourth proportional to 3,055.85, 4,216.83 and 1,876.94 is: 2,590.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.85 : 4,216.83 = 1,876.94 : x
  2. Step 2: Convert to fraction form
    3,055.85/4,216.83 = 1,876.94/x
  3. Step 3: Cross multiply
    3,055.85x = 4,216.83 × 1,876.94
  4. Step 4: Simplify right side
    3,055.85x = 7,914,715.82
  5. Step 5: Solve for x
    x = 7,914,715.82/3,055.85
  6. Step 6: Final answer
    x = 2,590.03

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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.