Home / 2,565.20-3,541.86-1,571.83

Finding the Fourth Proportional to 2,565.20, 3,541.86 and 1,571.83

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Solution

The fourth proportional to 2,565.20, 3,541.86 and 1,571.83 is: 2,170.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.20 : 3,541.86 = 1,571.83 : x
  2. Step 2: Convert to fraction form
    2,565.20/3,541.86 = 1,571.83/x
  3. Step 3: Cross multiply
    2,565.20x = 3,541.86 × 1,571.83
  4. Step 4: Simplify right side
    2,565.20x = 5,567,201.80
  5. Step 5: Solve for x
    x = 5,567,201.80/2,565.20
  6. Step 6: Final answer
    x = 2,170.28

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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.