Home / 3,907.86-5,394.60-2,493.45

Finding the Fourth Proportional to 3,907.86, 5,394.60 and 2,493.45

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Solution

The fourth proportional to 3,907.86, 5,394.60 and 2,493.45 is: 3,442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.86 : 5,394.60 = 2,493.45 : x
  2. Step 2: Convert to fraction form
    3,907.86/5,394.60 = 2,493.45/x
  3. Step 3: Cross multiply
    3,907.86x = 5,394.60 × 2,493.45
  4. Step 4: Simplify right side
    3,907.86x = 13,451,165.37
  5. Step 5: Solve for x
    x = 13,451,165.37/3,907.86
  6. Step 6: Final answer
    x = 3,442.08

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1.5x scale

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.