Home / 2,575.36-3,552.48-1,778.88

Finding the Fourth Proportional to 2,575.36, 3,552.48 and 1,778.88

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Solution

The fourth proportional to 2,575.36, 3,552.48 and 1,778.88 is: 2,453.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.36 : 3,552.48 = 1,778.88 : x
  2. Step 2: Convert to fraction form
    2,575.36/3,552.48 = 1,778.88/x
  3. Step 3: Cross multiply
    2,575.36x = 3,552.48 × 1,778.88
  4. Step 4: Simplify right side
    2,575.36x = 6,319,435.62
  5. Step 5: Solve for x
    x = 6,319,435.62/2,575.36
  6. Step 6: Final answer
    x = 2,453.81

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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.