Home / 3,074.67-4,243.05-1,677.42

Finding the Fourth Proportional to 3,074.67, 4,243.05 and 1,677.42

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Solution

The fourth proportional to 3,074.67, 4,243.05 and 1,677.42 is: 2,314.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.67 : 4,243.05 = 1,677.42 : x
  2. Step 2: Convert to fraction form
    3,074.67/4,243.05 = 1,677.42/x
  3. Step 3: Cross multiply
    3,074.67x = 4,243.05 × 1,677.42
  4. Step 4: Simplify right side
    3,074.67x = 7,117,376.93
  5. Step 5: Solve for x
    x = 7,117,376.93/3,074.67
  6. Step 6: Final answer
    x = 2,314.84

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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.