Home / 3,589.90-5,383.23-1,281.46

Finding the Fourth Proportional to 3,589.90, 5,383.23 and 1,281.46

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Solution

The fourth proportional to 3,589.90, 5,383.23 and 1,281.46 is: 1,921.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.90 : 5,383.23 = 1,281.46 : x
  2. Step 2: Convert to fraction form
    3,589.90/5,383.23 = 1,281.46/x
  3. Step 3: Cross multiply
    3,589.90x = 5,383.23 × 1,281.46
  4. Step 4: Simplify right side
    3,589.90x = 6,898,393.92
  5. Step 5: Solve for x
    x = 6,898,393.92/3,589.90
  6. Step 6: Final answer
    x = 1,921.61

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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.