Home / 2,853.34-3,938.58-1,673.98

Finding the Fourth Proportional to 2,853.34, 3,938.58 and 1,673.98

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Solution

The fourth proportional to 2,853.34, 3,938.58 and 1,673.98 is: 2,310.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.34 : 3,938.58 = 1,673.98 : x
  2. Step 2: Convert to fraction form
    2,853.34/3,938.58 = 1,673.98/x
  3. Step 3: Cross multiply
    2,853.34x = 3,938.58 × 1,673.98
  4. Step 4: Simplify right side
    2,853.34x = 6,593,104.15
  5. Step 5: Solve for x
    x = 6,593,104.15/2,853.34
  6. Step 6: Final answer
    x = 2,310.66

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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.