Home / 3,125.56-4,684.58-1,149.60

Finding the Fourth Proportional to 3,125.56, 4,684.58 and 1,149.60

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Solution

The fourth proportional to 3,125.56, 4,684.58 and 1,149.60 is: 1,723.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.56 : 4,684.58 = 1,149.60 : x
  2. Step 2: Convert to fraction form
    3,125.56/4,684.58 = 1,149.60/x
  3. Step 3: Cross multiply
    3,125.56x = 4,684.58 × 1,149.60
  4. Step 4: Simplify right side
    3,125.56x = 5,385,393.17
  5. Step 5: Solve for x
    x = 5,385,393.17/3,125.56
  6. Step 6: Final answer
    x = 1,723.02

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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.