Home / 3,211.98-4,429.53-2,030.94

Finding the Fourth Proportional to 3,211.98, 4,429.53 and 2,030.94

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Solution

The fourth proportional to 3,211.98, 4,429.53 and 2,030.94 is: 2,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.98 : 4,429.53 = 2,030.94 : x
  2. Step 2: Convert to fraction form
    3,211.98/4,429.53 = 2,030.94/x
  3. Step 3: Cross multiply
    3,211.98x = 4,429.53 × 2,030.94
  4. Step 4: Simplify right side
    3,211.98x = 8,996,109.66
  5. Step 5: Solve for x
    x = 8,996,109.66/3,211.98
  6. Step 6: Final answer
    x = 2,800.80

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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.