Home / 3,706.48-5,114.88-2,134.60

Finding the Fourth Proportional to 3,706.48, 5,114.88 and 2,134.60

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Solution

The fourth proportional to 3,706.48, 5,114.88 and 2,134.60 is: 2,945.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.48 : 5,114.88 = 2,134.60 : x
  2. Step 2: Convert to fraction form
    3,706.48/5,114.88 = 2,134.60/x
  3. Step 3: Cross multiply
    3,706.48x = 5,114.88 × 2,134.60
  4. Step 4: Simplify right side
    3,706.48x = 10,918,222.85
  5. Step 5: Solve for x
    x = 10,918,222.85/3,706.48
  6. Step 6: Final answer
    x = 2,945.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.