Home / 2,534.15-3,800.81-890.31

Finding the Fourth Proportional to 2,534.15, 3,800.81 and 890.31

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Solution

The fourth proportional to 2,534.15, 3,800.81 and 890.31 is: 1,335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,534.15 : 3,800.81 = 890.31 : x
  2. Step 2: Convert to fraction form
    2,534.15/3,800.81 = 890.31/x
  3. Step 3: Cross multiply
    2,534.15x = 3,800.81 × 890.31
  4. Step 4: Simplify right side
    2,534.15x = 3,383,896.26
  5. Step 5: Solve for x
    x = 3,383,896.26/2,534.15
  6. Step 6: Final answer
    x = 1,335.32

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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.