Home / 3,761.16-5,637-2,665.80

Finding the Fourth Proportional to 3,761.16, 5,637 and 2,665.80

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Solution

The fourth proportional to 3,761.16, 5,637 and 2,665.80 is: 3,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.16 : 5,637 = 2,665.80 : x
  2. Step 2: Convert to fraction form
    3,761.16/5,637 = 2,665.80/x
  3. Step 3: Cross multiply
    3,761.16x = 5,637 × 2,665.80
  4. Step 4: Simplify right side
    3,761.16x = 15,027,114.60
  5. Step 5: Solve for x
    x = 15,027,114.60/3,761.16
  6. Step 6: Final answer
    x = 3,995.34

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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.