Home / 4,220.40-6,330.74-2,028.68

Finding the Fourth Proportional to 4,220.40, 6,330.74 and 2,028.68

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Solution

The fourth proportional to 4,220.40, 6,330.74 and 2,028.68 is: 3,043.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.40 : 6,330.74 = 2,028.68 : x
  2. Step 2: Convert to fraction form
    4,220.40/6,330.74 = 2,028.68/x
  3. Step 3: Cross multiply
    4,220.40x = 6,330.74 × 2,028.68
  4. Step 4: Simplify right side
    4,220.40x = 12,843,045.62
  5. Step 5: Solve for x
    x = 12,843,045.62/4,220.40
  6. Step 6: Final answer
    x = 3,043.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.