Home / 3,465.88-5,195.64-1,272.94

Finding the Fourth Proportional to 3,465.88, 5,195.64 and 1,272.94

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Solution

The fourth proportional to 3,465.88, 5,195.64 and 1,272.94 is: 1,908.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.88 : 5,195.64 = 1,272.94 : x
  2. Step 2: Convert to fraction form
    3,465.88/5,195.64 = 1,272.94/x
  3. Step 3: Cross multiply
    3,465.88x = 5,195.64 × 1,272.94
  4. Step 4: Simplify right side
    3,465.88x = 6,613,737.98
  5. Step 5: Solve for x
    x = 6,613,737.98/3,465.88
  6. Step 6: Final answer
    x = 1,908.24

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1.5x scale

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.