Home / 3,072.96-4,607.58-1,122.87

Finding the Fourth Proportional to 3,072.96, 4,607.58 and 1,122.87

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Solution

The fourth proportional to 3,072.96, 4,607.58 and 1,122.87 is: 1,683.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.96 : 4,607.58 = 1,122.87 : x
  2. Step 2: Convert to fraction form
    3,072.96/4,607.58 = 1,122.87/x
  3. Step 3: Cross multiply
    3,072.96x = 4,607.58 × 1,122.87
  4. Step 4: Simplify right side
    3,072.96x = 5,173,713.35
  5. Step 5: Solve for x
    x = 5,173,713.35/3,072.96
  6. Step 6: Final answer
    x = 1,683.63

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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.