Home / 3,063.45-4,227.54-1,666.20

Finding the Fourth Proportional to 3,063.45, 4,227.54 and 1,666.20

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Solution

The fourth proportional to 3,063.45, 4,227.54 and 1,666.20 is: 2,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,063.45 : 4,227.54 = 1,666.20 : x
  2. Step 2: Convert to fraction form
    3,063.45/4,227.54 = 1,666.20/x
  3. Step 3: Cross multiply
    3,063.45x = 4,227.54 × 1,666.20
  4. Step 4: Simplify right side
    3,063.45x = 7,043,927.15
  5. Step 5: Solve for x
    x = 7,043,927.15/3,063.45
  6. Step 6: Final answer
    x = 2,299.34

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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.