Home / 4,190.52-5,780.34-2,618.31

Finding the Fourth Proportional to 4,190.52, 5,780.34 and 2,618.31

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Solution

The fourth proportional to 4,190.52, 5,780.34 and 2,618.31 is: 3,611.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.52 : 5,780.34 = 2,618.31 : x
  2. Step 2: Convert to fraction form
    4,190.52/5,780.34 = 2,618.31/x
  3. Step 3: Cross multiply
    4,190.52x = 5,780.34 × 2,618.31
  4. Step 4: Simplify right side
    4,190.52x = 15,134,722.03
  5. Step 5: Solve for x
    x = 15,134,722.03/4,190.52
  6. Step 6: Final answer
    x = 3,611.66

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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.