Home / 3,499.53-4,828.84-1,986.86

Finding the Fourth Proportional to 3,499.53, 4,828.84 and 1,986.86

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Solution

The fourth proportional to 3,499.53, 4,828.84 and 1,986.86 is: 2,741.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.53 : 4,828.84 = 1,986.86 : x
  2. Step 2: Convert to fraction form
    3,499.53/4,828.84 = 1,986.86/x
  3. Step 3: Cross multiply
    3,499.53x = 4,828.84 × 1,986.86
  4. Step 4: Simplify right side
    3,499.53x = 9,594,194.96
  5. Step 5: Solve for x
    x = 9,594,194.96/3,499.53
  6. Step 6: Final answer
    x = 2,741.57

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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.