Home / 3,173.40-4,754.05-1,782.52

Finding the Fourth Proportional to 3,173.40, 4,754.05 and 1,782.52

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Solution

The fourth proportional to 3,173.40, 4,754.05 and 1,782.52 is: 2,670.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.40 : 4,754.05 = 1,782.52 : x
  2. Step 2: Convert to fraction form
    3,173.40/4,754.05 = 1,782.52/x
  3. Step 3: Cross multiply
    3,173.40x = 4,754.05 × 1,782.52
  4. Step 4: Simplify right side
    3,173.40x = 8,474,172.86
  5. Step 5: Solve for x
    x = 8,474,172.86/3,173.40
  6. Step 6: Final answer
    x = 2,670.38

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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.