Home / 3,465.84-5,198.72-1,274.52

Finding the Fourth Proportional to 3,465.84, 5,198.72 and 1,274.52

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Solution

The fourth proportional to 3,465.84, 5,198.72 and 1,274.52 is: 1,911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.84 : 5,198.72 = 1,274.52 : x
  2. Step 2: Convert to fraction form
    3,465.84/5,198.72 = 1,274.52/x
  3. Step 3: Cross multiply
    3,465.84x = 5,198.72 × 1,274.52
  4. Step 4: Simplify right side
    3,465.84x = 6,625,872.61
  5. Step 5: Solve for x
    x = 6,625,872.61/3,465.84
  6. Step 6: Final answer
    x = 1,911.77

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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.