Home / 3,925.25-5,887.88-1,328.39

Finding the Fourth Proportional to 3,925.25, 5,887.88 and 1,328.39

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Solution

The fourth proportional to 3,925.25, 5,887.88 and 1,328.39 is: 1,992.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.25 : 5,887.88 = 1,328.39 : x
  2. Step 2: Convert to fraction form
    3,925.25/5,887.88 = 1,328.39/x
  3. Step 3: Cross multiply
    3,925.25x = 5,887.88 × 1,328.39
  4. Step 4: Simplify right side
    3,925.25x = 7,821,400.91
  5. Step 5: Solve for x
    x = 7,821,400.91/3,925.25
  6. Step 6: Final answer
    x = 1,992.59

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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.