Home / 3,073.02-4,608.62-1,124.78

Finding the Fourth Proportional to 3,073.02, 4,608.62 and 1,124.78

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Solution

The fourth proportional to 3,073.02, 4,608.62 and 1,124.78 is: 1,686.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.02 : 4,608.62 = 1,124.78 : x
  2. Step 2: Convert to fraction form
    3,073.02/4,608.62 = 1,124.78/x
  3. Step 3: Cross multiply
    3,073.02x = 4,608.62 × 1,124.78
  4. Step 4: Simplify right side
    3,073.02x = 5,183,683.60
  5. Step 5: Solve for x
    x = 5,183,683.60/3,073.02
  6. Step 6: Final answer
    x = 1,686.84

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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.