Home / 3,161.34-4,748.16-2,576.77

Finding the Fourth Proportional to 3,161.34, 4,748.16 and 2,576.77

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Solution

The fourth proportional to 3,161.34, 4,748.16 and 2,576.77 is: 3,870.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.34 : 4,748.16 = 2,576.77 : x
  2. Step 2: Convert to fraction form
    3,161.34/4,748.16 = 2,576.77/x
  3. Step 3: Cross multiply
    3,161.34x = 4,748.16 × 2,576.77
  4. Step 4: Simplify right side
    3,161.34x = 12,234,940.74
  5. Step 5: Solve for x
    x = 12,234,940.74/3,161.34
  6. Step 6: Final answer
    x = 3,870.18

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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.