Home / 3,930.26-5,895.38-1,333.13

Finding the Fourth Proportional to 3,930.26, 5,895.38 and 1,333.13

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Solution

The fourth proportional to 3,930.26, 5,895.38 and 1,333.13 is: 1,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.26 : 5,895.38 = 1,333.13 : x
  2. Step 2: Convert to fraction form
    3,930.26/5,895.38 = 1,333.13/x
  3. Step 3: Cross multiply
    3,930.26x = 5,895.38 × 1,333.13
  4. Step 4: Simplify right side
    3,930.26x = 7,859,281.80
  5. Step 5: Solve for x
    x = 7,859,281.80/3,930.26
  6. Step 6: Final answer
    x = 1,999.69

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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.