Home / 3,625.85-5,441.21-1,317.35

Finding the Fourth Proportional to 3,625.85, 5,441.21 and 1,317.35

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Solution

The fourth proportional to 3,625.85, 5,441.21 and 1,317.35 is: 1,976.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.85 : 5,441.21 = 1,317.35 : x
  2. Step 2: Convert to fraction form
    3,625.85/5,441.21 = 1,317.35/x
  3. Step 3: Cross multiply
    3,625.85x = 5,441.21 × 1,317.35
  4. Step 4: Simplify right side
    3,625.85x = 7,167,971.41
  5. Step 5: Solve for x
    x = 7,167,971.41/3,625.85
  6. Step 6: Final answer
    x = 1,976.91

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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.