Home / 3,289.46-4,539.56-1,797.47

Finding the Fourth Proportional to 3,289.46, 4,539.56 and 1,797.47

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Solution

The fourth proportional to 3,289.46, 4,539.56 and 1,797.47 is: 2,480.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.46 : 4,539.56 = 1,797.47 : x
  2. Step 2: Convert to fraction form
    3,289.46/4,539.56 = 1,797.47/x
  3. Step 3: Cross multiply
    3,289.46x = 4,539.56 × 1,797.47
  4. Step 4: Simplify right side
    3,289.46x = 8,159,722.91
  5. Step 5: Solve for x
    x = 8,159,722.91/3,289.46
  6. Step 6: Final answer
    x = 2,480.57

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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.