Home / 3,176.85-4,763.51-1,615.88

Finding the Fourth Proportional to 3,176.85, 4,763.51 and 1,615.88

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Solution

The fourth proportional to 3,176.85, 4,763.51 and 1,615.88 is: 2,422.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.85 : 4,763.51 = 1,615.88 : x
  2. Step 2: Convert to fraction form
    3,176.85/4,763.51 = 1,615.88/x
  3. Step 3: Cross multiply
    3,176.85x = 4,763.51 × 1,615.88
  4. Step 4: Simplify right side
    3,176.85x = 7,697,270.43
  5. Step 5: Solve for x
    x = 7,697,270.43/3,176.85
  6. Step 6: Final answer
    x = 2,422.92

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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.