Home / 3,511.53-4,841.99-2,871.48

Finding the Fourth Proportional to 3,511.53, 4,841.99 and 2,871.48

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Solution

The fourth proportional to 3,511.53, 4,841.99 and 2,871.48 is: 3,959.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.53 : 4,841.99 = 2,871.48 : x
  2. Step 2: Convert to fraction form
    3,511.53/4,841.99 = 2,871.48/x
  3. Step 3: Cross multiply
    3,511.53x = 4,841.99 × 2,871.48
  4. Step 4: Simplify right side
    3,511.53x = 13,903,663.09
  5. Step 5: Solve for x
    x = 13,903,663.09/3,511.53
  6. Step 6: Final answer
    x = 3,959.43

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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.