Home / 3,938.50-5,907.73-1,016.80

Finding the Fourth Proportional to 3,938.50, 5,907.73 and 1,016.80

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Solution

The fourth proportional to 3,938.50, 5,907.73 and 1,016.80 is: 1,525.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.50 : 5,907.73 = 1,016.80 : x
  2. Step 2: Convert to fraction form
    3,938.50/5,907.73 = 1,016.80/x
  3. Step 3: Cross multiply
    3,938.50x = 5,907.73 × 1,016.80
  4. Step 4: Simplify right side
    3,938.50x = 6,006,979.86
  5. Step 5: Solve for x
    x = 6,006,979.86/3,938.50
  6. Step 6: Final answer
    x = 1,525.19

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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.