Home / 3,281.81-4,527.88-2,162.35

Finding the Fourth Proportional to 3,281.81, 4,527.88 and 2,162.35

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Solution

The fourth proportional to 3,281.81, 4,527.88 and 2,162.35 is: 2,983.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.81 : 4,527.88 = 2,162.35 : x
  2. Step 2: Convert to fraction form
    3,281.81/4,527.88 = 2,162.35/x
  3. Step 3: Cross multiply
    3,281.81x = 4,527.88 × 2,162.35
  4. Step 4: Simplify right side
    3,281.81x = 9,790,827.87
  5. Step 5: Solve for x
    x = 9,790,827.87/3,281.81
  6. Step 6: Final answer
    x = 2,983.37

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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.