Home / 2,798.43-3,861.93-1,539.53

Finding the Fourth Proportional to 2,798.43, 3,861.93 and 1,539.53

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Solution

The fourth proportional to 2,798.43, 3,861.93 and 1,539.53 is: 2,124.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.43 : 3,861.93 = 1,539.53 : x
  2. Step 2: Convert to fraction form
    2,798.43/3,861.93 = 1,539.53/x
  3. Step 3: Cross multiply
    2,798.43x = 3,861.93 × 1,539.53
  4. Step 4: Simplify right side
    2,798.43x = 5,945,549.40
  5. Step 5: Solve for x
    x = 5,945,549.40/2,798.43
  6. Step 6: Final answer
    x = 2,124.61

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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.