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Finding the Fourth Proportional to 2,835.58, 4,253.09 and 887.80

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Solution

The fourth proportional to 2,835.58, 4,253.09 and 887.80 is: 1,331.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.58 : 4,253.09 = 887.80 : x
  2. Step 2: Convert to fraction form
    2,835.58/4,253.09 = 887.80/x
  3. Step 3: Cross multiply
    2,835.58x = 4,253.09 × 887.80
  4. Step 4: Simplify right side
    2,835.58x = 3,775,893.30
  5. Step 5: Solve for x
    x = 3,775,893.30/2,835.58
  6. Step 6: Final answer
    x = 1,331.61

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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.