Home / 2,845.35-4,272-1,459.68

Finding the Fourth Proportional to 2,845.35, 4,272 and 1,459.68

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Solution

The fourth proportional to 2,845.35, 4,272 and 1,459.68 is: 2,191.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.35 : 4,272 = 1,459.68 : x
  2. Step 2: Convert to fraction form
    2,845.35/4,272 = 1,459.68/x
  3. Step 3: Cross multiply
    2,845.35x = 4,272 × 1,459.68
  4. Step 4: Simplify right side
    2,845.35x = 6,235,752.96
  5. Step 5: Solve for x
    x = 6,235,752.96/2,845.35
  6. Step 6: Final answer
    x = 2,191.56

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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.