Home / 2,902.06-4,004.85-1,575.76

Finding the Fourth Proportional to 2,902.06, 4,004.85 and 1,575.76

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Solution

The fourth proportional to 2,902.06, 4,004.85 and 1,575.76 is: 2,174.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.06 : 4,004.85 = 1,575.76 : x
  2. Step 2: Convert to fraction form
    2,902.06/4,004.85 = 1,575.76/x
  3. Step 3: Cross multiply
    2,902.06x = 4,004.85 × 1,575.76
  4. Step 4: Simplify right side
    2,902.06x = 6,310,682.44
  5. Step 5: Solve for x
    x = 6,310,682.44/2,902.06
  6. Step 6: Final answer
    x = 2,174.55

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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.