Home / 3,925.64-5,888.46-1,328.38

Finding the Fourth Proportional to 3,925.64, 5,888.46 and 1,328.38

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Solution

The fourth proportional to 3,925.64, 5,888.46 and 1,328.38 is: 1,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.64 : 5,888.46 = 1,328.38 : x
  2. Step 2: Convert to fraction form
    3,925.64/5,888.46 = 1,328.38/x
  3. Step 3: Cross multiply
    3,925.64x = 5,888.46 × 1,328.38
  4. Step 4: Simplify right side
    3,925.64x = 7,822,112.49
  5. Step 5: Solve for x
    x = 7,822,112.49/3,925.64
  6. Step 6: Final answer
    x = 1,992.57

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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.