Home / 3,608.40-5,412.58-1,011.32

Finding the Fourth Proportional to 3,608.40, 5,412.58 and 1,011.32

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Solution

The fourth proportional to 3,608.40, 5,412.58 and 1,011.32 is: 1,516.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.40 : 5,412.58 = 1,011.32 : x
  2. Step 2: Convert to fraction form
    3,608.40/5,412.58 = 1,011.32/x
  3. Step 3: Cross multiply
    3,608.40x = 5,412.58 × 1,011.32
  4. Step 4: Simplify right side
    3,608.40x = 5,473,850.41
  5. Step 5: Solve for x
    x = 5,473,850.41/3,608.40
  6. Step 6: Final answer
    x = 1,516.97

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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.