Home / 3,907.15-5,860.77-1,310.08

Finding the Fourth Proportional to 3,907.15, 5,860.77 and 1,310.08

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Solution

The fourth proportional to 3,907.15, 5,860.77 and 1,310.08 is: 1,965.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.15 : 5,860.77 = 1,310.08 : x
  2. Step 2: Convert to fraction form
    3,907.15/5,860.77 = 1,310.08/x
  3. Step 3: Cross multiply
    3,907.15x = 5,860.77 × 1,310.08
  4. Step 4: Simplify right side
    3,907.15x = 7,678,077.56
  5. Step 5: Solve for x
    x = 7,678,077.56/3,907.15
  6. Step 6: Final answer
    x = 1,965.14

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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.