Home / 3,790.37-5,685.56-1,480.25

Finding the Fourth Proportional to 3,790.37, 5,685.56 and 1,480.25

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Solution

The fourth proportional to 3,790.37, 5,685.56 and 1,480.25 is: 2,220.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.37 : 5,685.56 = 1,480.25 : x
  2. Step 2: Convert to fraction form
    3,790.37/5,685.56 = 1,480.25/x
  3. Step 3: Cross multiply
    3,790.37x = 5,685.56 × 1,480.25
  4. Step 4: Simplify right side
    3,790.37x = 8,416,050.19
  5. Step 5: Solve for x
    x = 8,416,050.19/3,790.37
  6. Step 6: Final answer
    x = 2,220.38

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Similar ratio
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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.