Home / 3,908.60-5,390.35-2,583.64

Finding the Fourth Proportional to 3,908.60, 5,390.35 and 2,583.64

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Solution

The fourth proportional to 3,908.60, 5,390.35 and 2,583.64 is: 3,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.60 : 5,390.35 = 2,583.64 : x
  2. Step 2: Convert to fraction form
    3,908.60/5,390.35 = 2,583.64/x
  3. Step 3: Cross multiply
    3,908.60x = 5,390.35 × 2,583.64
  4. Step 4: Simplify right side
    3,908.60x = 13,926,723.87
  5. Step 5: Solve for x
    x = 13,926,723.87/3,908.60
  6. Step 6: Final answer
    x = 3,563.10

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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.