Home / 3,086.81-4,630.70-1,332.31

Finding the Fourth Proportional to 3,086.81, 4,630.70 and 1,332.31

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Solution

The fourth proportional to 3,086.81, 4,630.70 and 1,332.31 is: 1,998.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.81 : 4,630.70 = 1,332.31 : x
  2. Step 2: Convert to fraction form
    3,086.81/4,630.70 = 1,332.31/x
  3. Step 3: Cross multiply
    3,086.81x = 4,630.70 × 1,332.31
  4. Step 4: Simplify right side
    3,086.81x = 6,169,528.35
  5. Step 5: Solve for x
    x = 6,169,528.35/3,086.81
  6. Step 6: Final answer
    x = 1,998.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.