Home / 3,723.80-5,588.14-1,415.32

Finding the Fourth Proportional to 3,723.80, 5,588.14 and 1,415.32

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Solution

The fourth proportional to 3,723.80, 5,588.14 and 1,415.32 is: 2,123.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.80 : 5,588.14 = 1,415.32 : x
  2. Step 2: Convert to fraction form
    3,723.80/5,588.14 = 1,415.32/x
  3. Step 3: Cross multiply
    3,723.80x = 5,588.14 × 1,415.32
  4. Step 4: Simplify right side
    3,723.80x = 7,909,006.30
  5. Step 5: Solve for x
    x = 7,909,006.30/3,723.80
  6. Step 6: Final answer
    x = 2,123.91

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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.