Home / 3,554.09-5,331.15-1,605.86

Finding the Fourth Proportional to 3,554.09, 5,331.15 and 1,605.86

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Solution

The fourth proportional to 3,554.09, 5,331.15 and 1,605.86 is: 2,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.09 : 5,331.15 = 1,605.86 : x
  2. Step 2: Convert to fraction form
    3,554.09/5,331.15 = 1,605.86/x
  3. Step 3: Cross multiply
    3,554.09x = 5,331.15 × 1,605.86
  4. Step 4: Simplify right side
    3,554.09x = 8,561,053.88
  5. Step 5: Solve for x
    x = 8,561,053.88/3,554.09
  6. Step 6: Final answer
    x = 2,408.79

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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.