Home / 3,611.80-4,986.60-2,950.24

Finding the Fourth Proportional to 3,611.80, 4,986.60 and 2,950.24

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Solution

The fourth proportional to 3,611.80, 4,986.60 and 2,950.24 is: 4,073.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.80 : 4,986.60 = 2,950.24 : x
  2. Step 2: Convert to fraction form
    3,611.80/4,986.60 = 2,950.24/x
  3. Step 3: Cross multiply
    3,611.80x = 4,986.60 × 2,950.24
  4. Step 4: Simplify right side
    3,611.80x = 14,711,666.78
  5. Step 5: Solve for x
    x = 14,711,666.78/3,611.80
  6. Step 6: Final answer
    x = 4,073.22

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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.