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Finding the Fourth Proportional to 2,576.58, 3,861.63 and 1,847.58

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Solution

The fourth proportional to 2,576.58, 3,861.63 and 1,847.58 is: 2,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.58 : 3,861.63 = 1,847.58 : x
  2. Step 2: Convert to fraction form
    2,576.58/3,861.63 = 1,847.58/x
  3. Step 3: Cross multiply
    2,576.58x = 3,861.63 × 1,847.58
  4. Step 4: Simplify right side
    2,576.58x = 7,134,670.36
  5. Step 5: Solve for x
    x = 7,134,670.36/2,576.58
  6. Step 6: Final answer
    x = 2,769.05

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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.