Home / 3,072.93-4,611.21-1,224.90

Finding the Fourth Proportional to 3,072.93, 4,611.21 and 1,224.90

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Solution

The fourth proportional to 3,072.93, 4,611.21 and 1,224.90 is: 1,838.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.93 : 4,611.21 = 1,224.90 : x
  2. Step 2: Convert to fraction form
    3,072.93/4,611.21 = 1,224.90/x
  3. Step 3: Cross multiply
    3,072.93x = 4,611.21 × 1,224.90
  4. Step 4: Simplify right side
    3,072.93x = 5,648,271.13
  5. Step 5: Solve for x
    x = 5,648,271.13/3,072.93
  6. Step 6: Final answer
    x = 1,838.07

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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.