Home / 2,538.70-3,489.95-2,183.32

Finding the Fourth Proportional to 2,538.70, 3,489.95 and 2,183.32

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Solution

The fourth proportional to 2,538.70, 3,489.95 and 2,183.32 is: 3,001.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.70 : 3,489.95 = 2,183.32 : x
  2. Step 2: Convert to fraction form
    2,538.70/3,489.95 = 2,183.32/x
  3. Step 3: Cross multiply
    2,538.70x = 3,489.95 × 2,183.32
  4. Step 4: Simplify right side
    2,538.70x = 7,619,677.63
  5. Step 5: Solve for x
    x = 7,619,677.63/2,538.70
  6. Step 6: Final answer
    x = 3,001.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.