Home / 3,465.38-5,198.40-1,274.15

Finding the Fourth Proportional to 3,465.38, 5,198.40 and 1,274.15

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Solution

The fourth proportional to 3,465.38, 5,198.40 and 1,274.15 is: 1,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.38 : 5,198.40 = 1,274.15 : x
  2. Step 2: Convert to fraction form
    3,465.38/5,198.40 = 1,274.15/x
  3. Step 3: Cross multiply
    3,465.38x = 5,198.40 × 1,274.15
  4. Step 4: Simplify right side
    3,465.38x = 6,623,541.36
  5. Step 5: Solve for x
    x = 6,623,541.36/3,465.38
  6. Step 6: Final answer
    x = 1,911.35

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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.