Home / 3,544.13-5,316.89-1,986.34

Finding the Fourth Proportional to 3,544.13, 5,316.89 and 1,986.34

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Solution

The fourth proportional to 3,544.13, 5,316.89 and 1,986.34 is: 2,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.13 : 5,316.89 = 1,986.34 : x
  2. Step 2: Convert to fraction form
    3,544.13/5,316.89 = 1,986.34/x
  3. Step 3: Cross multiply
    3,544.13x = 5,316.89 × 1,986.34
  4. Step 4: Simplify right side
    3,544.13x = 10,561,128.06
  5. Step 5: Solve for x
    x = 10,561,128.06/3,544.13
  6. Step 6: Final answer
    x = 2,979.90

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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.