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Finding the Fourth Proportional to 2,835.23, 4,253.03 and 755.20

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Solution

The fourth proportional to 2,835.23, 4,253.03 and 755.20 is: 1,132.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.23 : 4,253.03 = 755.20 : x
  2. Step 2: Convert to fraction form
    2,835.23/4,253.03 = 755.20/x
  3. Step 3: Cross multiply
    2,835.23x = 4,253.03 × 755.20
  4. Step 4: Simplify right side
    2,835.23x = 3,211,888.26
  5. Step 5: Solve for x
    x = 3,211,888.26/2,835.23
  6. Step 6: Final answer
    x = 1,132.85

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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.