Home / 2,666.96-3,679.56-1,839.44

Finding the Fourth Proportional to 2,666.96, 3,679.56 and 1,839.44

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Solution

The fourth proportional to 2,666.96, 3,679.56 and 1,839.44 is: 2,537.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.96 : 3,679.56 = 1,839.44 : x
  2. Step 2: Convert to fraction form
    2,666.96/3,679.56 = 1,839.44/x
  3. Step 3: Cross multiply
    2,666.96x = 3,679.56 × 1,839.44
  4. Step 4: Simplify right side
    2,666.96x = 6,768,329.85
  5. Step 5: Solve for x
    x = 6,768,329.85/2,666.96
  6. Step 6: Final answer
    x = 2,537.84

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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.