Home / 3,159.85-4,734.99-1,771.10

Finding the Fourth Proportional to 3,159.85, 4,734.99 and 1,771.10

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Solution

The fourth proportional to 3,159.85, 4,734.99 and 1,771.10 is: 2,653.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.85 : 4,734.99 = 1,771.10 : x
  2. Step 2: Convert to fraction form
    3,159.85/4,734.99 = 1,771.10/x
  3. Step 3: Cross multiply
    3,159.85x = 4,734.99 × 1,771.10
  4. Step 4: Simplify right side
    3,159.85x = 8,386,140.79
  5. Step 5: Solve for x
    x = 8,386,140.79/3,159.85
  6. Step 6: Final answer
    x = 2,653.97

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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.