Home / 3,281.63-4,527.36-2,163.15

Finding the Fourth Proportional to 3,281.63, 4,527.36 and 2,163.15

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Solution

The fourth proportional to 3,281.63, 4,527.36 and 2,163.15 is: 2,984.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.63 : 4,527.36 = 2,163.15 : x
  2. Step 2: Convert to fraction form
    3,281.63/4,527.36 = 2,163.15/x
  3. Step 3: Cross multiply
    3,281.63x = 4,527.36 × 2,163.15
  4. Step 4: Simplify right side
    3,281.63x = 9,793,358.78
  5. Step 5: Solve for x
    x = 9,793,358.78/3,281.63
  6. Step 6: Final answer
    x = 2,984.30

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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.