Home / 3,995.40-5,511.48-2,502.98

Finding the Fourth Proportional to 3,995.40, 5,511.48 and 2,502.98

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Solution

The fourth proportional to 3,995.40, 5,511.48 and 2,502.98 is: 3,452.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.40 : 5,511.48 = 2,502.98 : x
  2. Step 2: Convert to fraction form
    3,995.40/5,511.48 = 2,502.98/x
  3. Step 3: Cross multiply
    3,995.40x = 5,511.48 × 2,502.98
  4. Step 4: Simplify right side
    3,995.40x = 13,795,124.21
  5. Step 5: Solve for x
    x = 13,795,124.21/3,995.40
  6. Step 6: Final answer
    x = 3,452.75

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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.