Home / 2,839.86-4,260.40-1,607.85

Finding the Fourth Proportional to 2,839.86, 4,260.40 and 1,607.85

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Solution

The fourth proportional to 2,839.86, 4,260.40 and 1,607.85 is: 2,412.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.86 : 4,260.40 = 1,607.85 : x
  2. Step 2: Convert to fraction form
    2,839.86/4,260.40 = 1,607.85/x
  3. Step 3: Cross multiply
    2,839.86x = 4,260.40 × 1,607.85
  4. Step 4: Simplify right side
    2,839.86x = 6,850,080.12
  5. Step 5: Solve for x
    x = 6,850,080.12/2,839.86
  6. Step 6: Final answer
    x = 2,412.12

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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.