Home / 3,525.89-5,305.77-2,905.65

Finding the Fourth Proportional to 3,525.89, 5,305.77 and 2,905.65

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Solution

The fourth proportional to 3,525.89, 5,305.77 and 2,905.65 is: 4,372.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.89 : 5,305.77 = 2,905.65 : x
  2. Step 2: Convert to fraction form
    3,525.89/5,305.77 = 2,905.65/x
  3. Step 3: Cross multiply
    3,525.89x = 5,305.77 × 2,905.65
  4. Step 4: Simplify right side
    3,525.89x = 15,416,710.60
  5. Step 5: Solve for x
    x = 15,416,710.60/3,525.89
  6. Step 6: Final answer
    x = 4,372.44

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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.