Home / 2,588.36-3,882.80-1,613.64

Finding the Fourth Proportional to 2,588.36, 3,882.80 and 1,613.64

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Solution

The fourth proportional to 2,588.36, 3,882.80 and 1,613.64 is: 2,420.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.36 : 3,882.80 = 1,613.64 : x
  2. Step 2: Convert to fraction form
    2,588.36/3,882.80 = 1,613.64/x
  3. Step 3: Cross multiply
    2,588.36x = 3,882.80 × 1,613.64
  4. Step 4: Simplify right side
    2,588.36x = 6,265,441.39
  5. Step 5: Solve for x
    x = 6,265,441.39/2,588.36
  6. Step 6: Final answer
    x = 2,420.62

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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.