Home / 3,072.03-4,608.51-1,123.77

Finding the Fourth Proportional to 3,072.03, 4,608.51 and 1,123.77

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Solution

The fourth proportional to 3,072.03, 4,608.51 and 1,123.77 is: 1,685.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.03 : 4,608.51 = 1,123.77 : x
  2. Step 2: Convert to fraction form
    3,072.03/4,608.51 = 1,123.77/x
  3. Step 3: Cross multiply
    3,072.03x = 4,608.51 × 1,123.77
  4. Step 4: Simplify right side
    3,072.03x = 5,178,905.28
  5. Step 5: Solve for x
    x = 5,178,905.28/3,072.03
  6. Step 6: Final answer
    x = 1,685.83

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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.