Home / 2,489.33-3,434.59-1,544.67

Finding the Fourth Proportional to 2,489.33, 3,434.59 and 1,544.67

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Solution

The fourth proportional to 2,489.33, 3,434.59 and 1,544.67 is: 2,131.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.33 : 3,434.59 = 1,544.67 : x
  2. Step 2: Convert to fraction form
    2,489.33/3,434.59 = 1,544.67/x
  3. Step 3: Cross multiply
    2,489.33x = 3,434.59 × 1,544.67
  4. Step 4: Simplify right side
    2,489.33x = 5,305,308.14
  5. Step 5: Solve for x
    x = 5,305,308.14/2,489.33
  6. Step 6: Final answer
    x = 2,131.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.