Home / 3,257.78-4,889.38-1,410.28

Finding the Fourth Proportional to 3,257.78, 4,889.38 and 1,410.28

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Solution

The fourth proportional to 3,257.78, 4,889.38 and 1,410.28 is: 2,116.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.78 : 4,889.38 = 1,410.28 : x
  2. Step 2: Convert to fraction form
    3,257.78/4,889.38 = 1,410.28/x
  3. Step 3: Cross multiply
    3,257.78x = 4,889.38 × 1,410.28
  4. Step 4: Simplify right side
    3,257.78x = 6,895,394.83
  5. Step 5: Solve for x
    x = 6,895,394.83/3,257.78
  6. Step 6: Final answer
    x = 2,116.59

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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.