Home / 3,519.47-5,274.64-1,437.09

Finding the Fourth Proportional to 3,519.47, 5,274.64 and 1,437.09

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Solution

The fourth proportional to 3,519.47, 5,274.64 and 1,437.09 is: 2,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.47 : 5,274.64 = 1,437.09 : x
  2. Step 2: Convert to fraction form
    3,519.47/5,274.64 = 1,437.09/x
  3. Step 3: Cross multiply
    3,519.47x = 5,274.64 × 1,437.09
  4. Step 4: Simplify right side
    3,519.47x = 7,580,136.00
  5. Step 5: Solve for x
    x = 7,580,136.00/3,519.47
  6. Step 6: Final answer
    x = 2,153.77

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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.