Home / 3,608.40-5,412.60-3,176.40

Finding the Fourth Proportional to 3,608.40, 5,412.60 and 3,176.40

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Solution

The fourth proportional to 3,608.40, 5,412.60 and 3,176.40 is: 4,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.40 : 5,412.60 = 3,176.40 : x
  2. Step 2: Convert to fraction form
    3,608.40/5,412.60 = 3,176.40/x
  3. Step 3: Cross multiply
    3,608.40x = 5,412.60 × 3,176.40
  4. Step 4: Simplify right side
    3,608.40x = 17,192,582.64
  5. Step 5: Solve for x
    x = 17,192,582.64/3,608.40
  6. Step 6: Final answer
    x = 4,764.60

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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.