Home / 2,795.46-3,857.78-1,536.63

Finding the Fourth Proportional to 2,795.46, 3,857.78 and 1,536.63

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Solution

The fourth proportional to 2,795.46, 3,857.78 and 1,536.63 is: 2,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.46 : 3,857.78 = 1,536.63 : x
  2. Step 2: Convert to fraction form
    2,795.46/3,857.78 = 1,536.63/x
  3. Step 3: Cross multiply
    2,795.46x = 3,857.78 × 1,536.63
  4. Step 4: Simplify right side
    2,795.46x = 5,927,980.48
  5. Step 5: Solve for x
    x = 5,927,980.48/2,795.46
  6. Step 6: Final answer
    x = 2,120.57

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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.