Home / 3,888.34-5,833.49-1,115.25

Finding the Fourth Proportional to 3,888.34, 5,833.49 and 1,115.25

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Solution

The fourth proportional to 3,888.34, 5,833.49 and 1,115.25 is: 1,673.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.34 : 5,833.49 = 1,115.25 : x
  2. Step 2: Convert to fraction form
    3,888.34/5,833.49 = 1,115.25/x
  3. Step 3: Cross multiply
    3,888.34x = 5,833.49 × 1,115.25
  4. Step 4: Simplify right side
    3,888.34x = 6,505,799.72
  5. Step 5: Solve for x
    x = 6,505,799.72/3,888.34
  6. Step 6: Final answer
    x = 1,673.16

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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.