Home / 3,154.98-4,353.61-1,828.86

Finding the Fourth Proportional to 3,154.98, 4,353.61 and 1,828.86

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Solution

The fourth proportional to 3,154.98, 4,353.61 and 1,828.86 is: 2,523.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.98 : 4,353.61 = 1,828.86 : x
  2. Step 2: Convert to fraction form
    3,154.98/4,353.61 = 1,828.86/x
  3. Step 3: Cross multiply
    3,154.98x = 4,353.61 × 1,828.86
  4. Step 4: Simplify right side
    3,154.98x = 7,962,143.18
  5. Step 5: Solve for x
    x = 7,962,143.18/3,154.98
  6. Step 6: Final answer
    x = 2,523.67

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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.