Home / 3,861.58-5,801.60-2,477.64

Finding the Fourth Proportional to 3,861.58, 5,801.60 and 2,477.64

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Solution

The fourth proportional to 3,861.58, 5,801.60 and 2,477.64 is: 3,722.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.58 : 5,801.60 = 2,477.64 : x
  2. Step 2: Convert to fraction form
    3,861.58/5,801.60 = 2,477.64/x
  3. Step 3: Cross multiply
    3,861.58x = 5,801.60 × 2,477.64
  4. Step 4: Simplify right side
    3,861.58x = 14,374,276.22
  5. Step 5: Solve for x
    x = 14,374,276.22/3,861.58
  6. Step 6: Final answer
    x = 3,722.38

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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.