Home / 3,882.60-5,354.55-3,136.32

Finding the Fourth Proportional to 3,882.60, 5,354.55 and 3,136.32

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Solution

The fourth proportional to 3,882.60, 5,354.55 and 3,136.32 is: 4,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.60 : 5,354.55 = 3,136.32 : x
  2. Step 2: Convert to fraction form
    3,882.60/5,354.55 = 3,136.32/x
  3. Step 3: Cross multiply
    3,882.60x = 5,354.55 × 3,136.32
  4. Step 4: Simplify right side
    3,882.60x = 16,793,582.26
  5. Step 5: Solve for x
    x = 16,793,582.26/3,882.60
  6. Step 6: Final answer
    x = 4,325.34

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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.