Home / 3,506.97-5,260.34-1,426.36

Finding the Fourth Proportional to 3,506.97, 5,260.34 and 1,426.36

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Solution

The fourth proportional to 3,506.97, 5,260.34 and 1,426.36 is: 2,139.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.97 : 5,260.34 = 1,426.36 : x
  2. Step 2: Convert to fraction form
    3,506.97/5,260.34 = 1,426.36/x
  3. Step 3: Cross multiply
    3,506.97x = 5,260.34 × 1,426.36
  4. Step 4: Simplify right side
    3,506.97x = 7,503,138.56
  5. Step 5: Solve for x
    x = 7,503,138.56/3,506.97
  6. Step 6: Final answer
    x = 2,139.49

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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.