Home / 3,637.72-5,458.20-1,905.94

Finding the Fourth Proportional to 3,637.72, 5,458.20 and 1,905.94

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Solution

The fourth proportional to 3,637.72, 5,458.20 and 1,905.94 is: 2,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.72 : 5,458.20 = 1,905.94 : x
  2. Step 2: Convert to fraction form
    3,637.72/5,458.20 = 1,905.94/x
  3. Step 3: Cross multiply
    3,637.72x = 5,458.20 × 1,905.94
  4. Step 4: Simplify right side
    3,637.72x = 10,402,980.92
  5. Step 5: Solve for x
    x = 10,402,980.92/3,637.72
  6. Step 6: Final answer
    x = 2,859.76

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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.