Home / 3,377.82-4,661.37-1,885.74

Finding the Fourth Proportional to 3,377.82, 4,661.37 and 1,885.74

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Solution

The fourth proportional to 3,377.82, 4,661.37 and 1,885.74 is: 2,602.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.82 : 4,661.37 = 1,885.74 : x
  2. Step 2: Convert to fraction form
    3,377.82/4,661.37 = 1,885.74/x
  3. Step 3: Cross multiply
    3,377.82x = 4,661.37 × 1,885.74
  4. Step 4: Simplify right side
    3,377.82x = 8,790,131.86
  5. Step 5: Solve for x
    x = 8,790,131.86/3,377.82
  6. Step 6: Final answer
    x = 2,602.31

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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.