Home / 2,795.90-3,858.56-1,803.24

Finding the Fourth Proportional to 2,795.90, 3,858.56 and 1,803.24

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Solution

The fourth proportional to 2,795.90, 3,858.56 and 1,803.24 is: 2,488.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.90 : 3,858.56 = 1,803.24 : x
  2. Step 2: Convert to fraction form
    2,795.90/3,858.56 = 1,803.24/x
  3. Step 3: Cross multiply
    2,795.90x = 3,858.56 × 1,803.24
  4. Step 4: Simplify right side
    2,795.90x = 6,957,909.73
  5. Step 5: Solve for x
    x = 6,957,909.73/2,795.90
  6. Step 6: Final answer
    x = 2,488.61

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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.