Home / 2,553.12-3,835.08-1,907.82

Finding the Fourth Proportional to 2,553.12, 3,835.08 and 1,907.82

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Solution

The fourth proportional to 2,553.12, 3,835.08 and 1,907.82 is: 2,865.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.12 : 3,835.08 = 1,907.82 : x
  2. Step 2: Convert to fraction form
    2,553.12/3,835.08 = 1,907.82/x
  3. Step 3: Cross multiply
    2,553.12x = 3,835.08 × 1,907.82
  4. Step 4: Simplify right side
    2,553.12x = 7,316,642.33
  5. Step 5: Solve for x
    x = 7,316,642.33/2,553.12
  6. Step 6: Final answer
    x = 2,865.77

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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.