Home / 3,458.05-5,187.99-1,814.14

Finding the Fourth Proportional to 3,458.05, 5,187.99 and 1,814.14

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Solution

The fourth proportional to 3,458.05, 5,187.99 and 1,814.14 is: 2,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.05 : 5,187.99 = 1,814.14 : x
  2. Step 2: Convert to fraction form
    3,458.05/5,187.99 = 1,814.14/x
  3. Step 3: Cross multiply
    3,458.05x = 5,187.99 × 1,814.14
  4. Step 4: Simplify right side
    3,458.05x = 9,411,740.18
  5. Step 5: Solve for x
    x = 9,411,740.18/3,458.05
  6. Step 6: Final answer
    x = 2,721.69

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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.