Home / 3,625.48-5,438.91-1,545.44

Finding the Fourth Proportional to 3,625.48, 5,438.91 and 1,545.44

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Solution

The fourth proportional to 3,625.48, 5,438.91 and 1,545.44 is: 2,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.48 : 5,438.91 = 1,545.44 : x
  2. Step 2: Convert to fraction form
    3,625.48/5,438.91 = 1,545.44/x
  3. Step 3: Cross multiply
    3,625.48x = 5,438.91 × 1,545.44
  4. Step 4: Simplify right side
    3,625.48x = 8,405,509.07
  5. Step 5: Solve for x
    x = 8,405,509.07/3,625.48
  6. Step 6: Final answer
    x = 2,318.45

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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.