Home / 3,810.16-5,257.96-2,216.88

Finding the Fourth Proportional to 3,810.16, 5,257.96 and 2,216.88

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Solution

The fourth proportional to 3,810.16, 5,257.96 and 2,216.88 is: 3,059.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.16 : 5,257.96 = 2,216.88 : x
  2. Step 2: Convert to fraction form
    3,810.16/5,257.96 = 2,216.88/x
  3. Step 3: Cross multiply
    3,810.16x = 5,257.96 × 2,216.88
  4. Step 4: Simplify right side
    3,810.16x = 11,656,266.36
  5. Step 5: Solve for x
    x = 11,656,266.36/3,810.16
  6. Step 6: Final answer
    x = 3,059.26

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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.