Home / 3,173.79-4,379.71-1,757.55

Finding the Fourth Proportional to 3,173.79, 4,379.71 and 1,757.55

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Solution

The fourth proportional to 3,173.79, 4,379.71 and 1,757.55 is: 2,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.79 : 4,379.71 = 1,757.55 : x
  2. Step 2: Convert to fraction form
    3,173.79/4,379.71 = 1,757.55/x
  3. Step 3: Cross multiply
    3,173.79x = 4,379.71 × 1,757.55
  4. Step 4: Simplify right side
    3,173.79x = 7,697,559.31
  5. Step 5: Solve for x
    x = 7,697,559.31/3,173.79
  6. Step 6: Final answer
    x = 2,425.35

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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.