Home / 3,726-5,583.80-2,800.47

Finding the Fourth Proportional to 3,726, 5,583.80 and 2,800.47

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Solution

The fourth proportional to 3,726, 5,583.80 and 2,800.47 is: 4,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726 : 5,583.80 = 2,800.47 : x
  2. Step 2: Convert to fraction form
    3,726/5,583.80 = 2,800.47/x
  3. Step 3: Cross multiply
    3,726x = 5,583.80 × 2,800.47
  4. Step 4: Simplify right side
    3,726x = 15,637,264.39
  5. Step 5: Solve for x
    x = 15,637,264.39/3,726
  6. Step 6: Final answer
    x = 4,196.80

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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.