Home / 3,785.64-5,670.65-2,220.93

Finding the Fourth Proportional to 3,785.64, 5,670.65 and 2,220.93

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Solution

The fourth proportional to 3,785.64, 5,670.65 and 2,220.93 is: 3,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.64 : 5,670.65 = 2,220.93 : x
  2. Step 2: Convert to fraction form
    3,785.64/5,670.65 = 2,220.93/x
  3. Step 3: Cross multiply
    3,785.64x = 5,670.65 × 2,220.93
  4. Step 4: Simplify right side
    3,785.64x = 12,594,105.60
  5. Step 5: Solve for x
    x = 12,594,105.60/3,785.64
  6. Step 6: Final answer
    x = 3,326.81

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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.