Home / 3,459.32-5,187.74-1,267.56

Finding the Fourth Proportional to 3,459.32, 5,187.74 and 1,267.56

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Solution

The fourth proportional to 3,459.32, 5,187.74 and 1,267.56 is: 1,900.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.32 : 5,187.74 = 1,267.56 : x
  2. Step 2: Convert to fraction form
    3,459.32/5,187.74 = 1,267.56/x
  3. Step 3: Cross multiply
    3,459.32x = 5,187.74 × 1,267.56
  4. Step 4: Simplify right side
    3,459.32x = 6,575,771.71
  5. Step 5: Solve for x
    x = 6,575,771.71/3,459.32
  6. Step 6: Final answer
    x = 1,900.89

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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.