Home / 3,465.45-5,198.56-1,274.18

Finding the Fourth Proportional to 3,465.45, 5,198.56 and 1,274.18

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Solution

The fourth proportional to 3,465.45, 5,198.56 and 1,274.18 is: 1,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.45 : 5,198.56 = 1,274.18 : x
  2. Step 2: Convert to fraction form
    3,465.45/5,198.56 = 1,274.18/x
  3. Step 3: Cross multiply
    3,465.45x = 5,198.56 × 1,274.18
  4. Step 4: Simplify right side
    3,465.45x = 6,623,872.00
  5. Step 5: Solve for x
    x = 6,623,872.00/3,465.45
  6. Step 6: Final answer
    x = 1,911.40

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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.