Home / 3,428.69-4,731.30-2,012.22

Finding the Fourth Proportional to 3,428.69, 4,731.30 and 2,012.22

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Solution

The fourth proportional to 3,428.69, 4,731.30 and 2,012.22 is: 2,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.69 : 4,731.30 = 2,012.22 : x
  2. Step 2: Convert to fraction form
    3,428.69/4,731.30 = 2,012.22/x
  3. Step 3: Cross multiply
    3,428.69x = 4,731.30 × 2,012.22
  4. Step 4: Simplify right side
    3,428.69x = 9,520,416.49
  5. Step 5: Solve for x
    x = 9,520,416.49/3,428.69
  6. Step 6: Final answer
    x = 2,776.70

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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.