Home / 3,507.03-5,256.89-1,426.20

Finding the Fourth Proportional to 3,507.03, 5,256.89 and 1,426.20

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Solution

The fourth proportional to 3,507.03, 5,256.89 and 1,426.20 is: 2,137.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.03 : 5,256.89 = 1,426.20 : x
  2. Step 2: Convert to fraction form
    3,507.03/5,256.89 = 1,426.20/x
  3. Step 3: Cross multiply
    3,507.03x = 5,256.89 × 1,426.20
  4. Step 4: Simplify right side
    3,507.03x = 7,497,369.39
  5. Step 5: Solve for x
    x = 7,497,369.39/3,507.03
  6. Step 6: Final answer
    x = 2,137.81

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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.