Home / 3,193.76-4,790.59-1,113.72

Finding the Fourth Proportional to 3,193.76, 4,790.59 and 1,113.72

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Solution

The fourth proportional to 3,193.76, 4,790.59 and 1,113.72 is: 1,670.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.76 : 4,790.59 = 1,113.72 : x
  2. Step 2: Convert to fraction form
    3,193.76/4,790.59 = 1,113.72/x
  3. Step 3: Cross multiply
    3,193.76x = 4,790.59 × 1,113.72
  4. Step 4: Simplify right side
    3,193.76x = 5,335,375.89
  5. Step 5: Solve for x
    x = 5,335,375.89/3,193.76
  6. Step 6: Final answer
    x = 1,670.57

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1.5x scale

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.