Home / 3,036.72-4,187.34-2,195.76

Finding the Fourth Proportional to 3,036.72, 4,187.34 and 2,195.76

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Solution

The fourth proportional to 3,036.72, 4,187.34 and 2,195.76 is: 3,027.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.72 : 4,187.34 = 2,195.76 : x
  2. Step 2: Convert to fraction form
    3,036.72/4,187.34 = 2,195.76/x
  3. Step 3: Cross multiply
    3,036.72x = 4,187.34 × 2,195.76
  4. Step 4: Simplify right side
    3,036.72x = 9,194,393.68
  5. Step 5: Solve for x
    x = 9,194,393.68/3,036.72
  6. Step 6: Final answer
    x = 3,027.74

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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.