Home / 3,055.38-4,216.68-1,876.86

Finding the Fourth Proportional to 3,055.38, 4,216.68 and 1,876.86

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Solution

The fourth proportional to 3,055.38, 4,216.68 and 1,876.86 is: 2,590.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.38 : 4,216.68 = 1,876.86 : x
  2. Step 2: Convert to fraction form
    3,055.38/4,216.68 = 1,876.86/x
  3. Step 3: Cross multiply
    3,055.38x = 4,216.68 × 1,876.86
  4. Step 4: Simplify right side
    3,055.38x = 7,914,118.02
  5. Step 5: Solve for x
    x = 7,914,118.02/3,055.38
  6. Step 6: Final answer
    x = 2,590.22

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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.