Home / 3,100.34-4,650.75-1,152.56

Finding the Fourth Proportional to 3,100.34, 4,650.75 and 1,152.56

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Solution

The fourth proportional to 3,100.34, 4,650.75 and 1,152.56 is: 1,728.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.34 : 4,650.75 = 1,152.56 : x
  2. Step 2: Convert to fraction form
    3,100.34/4,650.75 = 1,152.56/x
  3. Step 3: Cross multiply
    3,100.34x = 4,650.75 × 1,152.56
  4. Step 4: Simplify right side
    3,100.34x = 5,360,280.05
  5. Step 5: Solve for x
    x = 5,360,280.05/3,100.34
  6. Step 6: Final answer
    x = 1,728.93

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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.