Home / 2,753.90-4,125.26-1,271.03

Finding the Fourth Proportional to 2,753.90, 4,125.26 and 1,271.03

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Solution

The fourth proportional to 2,753.90, 4,125.26 and 1,271.03 is: 1,903.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.90 : 4,125.26 = 1,271.03 : x
  2. Step 2: Convert to fraction form
    2,753.90/4,125.26 = 1,271.03/x
  3. Step 3: Cross multiply
    2,753.90x = 4,125.26 × 1,271.03
  4. Step 4: Simplify right side
    2,753.90x = 5,243,311.77
  5. Step 5: Solve for x
    x = 5,243,311.77/2,753.90
  6. Step 6: Final answer
    x = 1,903.96

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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.