Home / 3,289.39-4,538.62-1,963.55

Finding the Fourth Proportional to 3,289.39, 4,538.62 and 1,963.55

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Solution

The fourth proportional to 3,289.39, 4,538.62 and 1,963.55 is: 2,709.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.39 : 4,538.62 = 1,963.55 : x
  2. Step 2: Convert to fraction form
    3,289.39/4,538.62 = 1,963.55/x
  3. Step 3: Cross multiply
    3,289.39x = 4,538.62 × 1,963.55
  4. Step 4: Simplify right side
    3,289.39x = 8,911,807.30
  5. Step 5: Solve for x
    x = 8,911,807.30/3,289.39
  6. Step 6: Final answer
    x = 2,709.26

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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.