Home / 2,405.62-3,608.80-1,018.96

Finding the Fourth Proportional to 2,405.62, 3,608.80 and 1,018.96

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Solution

The fourth proportional to 2,405.62, 3,608.80 and 1,018.96 is: 1,528.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.62 : 3,608.80 = 1,018.96 : x
  2. Step 2: Convert to fraction form
    2,405.62/3,608.80 = 1,018.96/x
  3. Step 3: Cross multiply
    2,405.62x = 3,608.80 × 1,018.96
  4. Step 4: Simplify right side
    2,405.62x = 3,677,217.75
  5. Step 5: Solve for x
    x = 3,677,217.75/2,405.62
  6. Step 6: Final answer
    x = 1,528.59

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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.