Home / 2,798.27-3,861.62-1,539.41

Finding the Fourth Proportional to 2,798.27, 3,861.62 and 1,539.41

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Solution

The fourth proportional to 2,798.27, 3,861.62 and 1,539.41 is: 2,124.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.27 : 3,861.62 = 1,539.41 : x
  2. Step 2: Convert to fraction form
    2,798.27/3,861.62 = 1,539.41/x
  3. Step 3: Cross multiply
    2,798.27x = 3,861.62 × 1,539.41
  4. Step 4: Simplify right side
    2,798.27x = 5,944,595.21
  5. Step 5: Solve for x
    x = 5,944,595.21/2,798.27
  6. Step 6: Final answer
    x = 2,124.38

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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.