Home / 2,795.62-3,858.06-1,536.70

Finding the Fourth Proportional to 2,795.62, 3,858.06 and 1,536.70

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Solution

The fourth proportional to 2,795.62, 3,858.06 and 1,536.70 is: 2,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.62 : 3,858.06 = 1,536.70 : x
  2. Step 2: Convert to fraction form
    2,795.62/3,858.06 = 1,536.70/x
  3. Step 3: Cross multiply
    2,795.62x = 3,858.06 × 1,536.70
  4. Step 4: Simplify right side
    2,795.62x = 5,928,680.80
  5. Step 5: Solve for x
    x = 5,928,680.80/2,795.62
  6. Step 6: Final answer
    x = 2,120.70

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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.