Home / 3,625.60-5,438.42-1,545.22

Finding the Fourth Proportional to 3,625.60, 5,438.42 and 1,545.22

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Solution

The fourth proportional to 3,625.60, 5,438.42 and 1,545.22 is: 2,317.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.60 : 5,438.42 = 1,545.22 : x
  2. Step 2: Convert to fraction form
    3,625.60/5,438.42 = 1,545.22/x
  3. Step 3: Cross multiply
    3,625.60x = 5,438.42 × 1,545.22
  4. Step 4: Simplify right side
    3,625.60x = 8,403,555.35
  5. Step 5: Solve for x
    x = 8,403,555.35/3,625.60
  6. Step 6: Final answer
    x = 2,317.84

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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.