Home / 3,072.34-4,608.90-1,124.26

Finding the Fourth Proportional to 3,072.34, 4,608.90 and 1,124.26

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Solution

The fourth proportional to 3,072.34, 4,608.90 and 1,124.26 is: 1,686.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.34 : 4,608.90 = 1,124.26 : x
  2. Step 2: Convert to fraction form
    3,072.34/4,608.90 = 1,124.26/x
  3. Step 3: Cross multiply
    3,072.34x = 4,608.90 × 1,124.26
  4. Step 4: Simplify right side
    3,072.34x = 5,181,601.91
  5. Step 5: Solve for x
    x = 5,181,601.91/3,072.34
  6. Step 6: Final answer
    x = 1,686.53

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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.