Home / 4,015.68-6,021.25-1,821.70

Finding the Fourth Proportional to 4,015.68, 6,021.25 and 1,821.70

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Solution

The fourth proportional to 4,015.68, 6,021.25 and 1,821.70 is: 2,731.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.68 : 6,021.25 = 1,821.70 : x
  2. Step 2: Convert to fraction form
    4,015.68/6,021.25 = 1,821.70/x
  3. Step 3: Cross multiply
    4,015.68x = 6,021.25 × 1,821.70
  4. Step 4: Simplify right side
    4,015.68x = 10,968,871.91
  5. Step 5: Solve for x
    x = 10,968,871.91/4,015.68
  6. Step 6: Final answer
    x = 2,731.51

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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.