Home / 3,761.80-5,192.40-2,435.59

Finding the Fourth Proportional to 3,761.80, 5,192.40 and 2,435.59

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Solution

The fourth proportional to 3,761.80, 5,192.40 and 2,435.59 is: 3,361.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.80 : 5,192.40 = 2,435.59 : x
  2. Step 2: Convert to fraction form
    3,761.80/5,192.40 = 2,435.59/x
  3. Step 3: Cross multiply
    3,761.80x = 5,192.40 × 2,435.59
  4. Step 4: Simplify right side
    3,761.80x = 12,646,557.52
  5. Step 5: Solve for x
    x = 12,646,557.52/3,761.80
  6. Step 6: Final answer
    x = 3,361.84

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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.