Home / 2,795.62-3,858.33-1,803.79

Finding the Fourth Proportional to 2,795.62, 3,858.33 and 1,803.79

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Solution

The fourth proportional to 2,795.62, 3,858.33 and 1,803.79 is: 2,489.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.62 : 3,858.33 = 1,803.79 : x
  2. Step 2: Convert to fraction form
    2,795.62/3,858.33 = 1,803.79/x
  3. Step 3: Cross multiply
    2,795.62x = 3,858.33 × 1,803.79
  4. Step 4: Simplify right side
    2,795.62x = 6,959,598.41
  5. Step 5: Solve for x
    x = 6,959,598.41/2,795.62
  6. Step 6: Final answer
    x = 2,489.46

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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.