Home / 3,505.09-5,257.64-1,426.23

Finding the Fourth Proportional to 3,505.09, 5,257.64 and 1,426.23

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Solution

The fourth proportional to 3,505.09, 5,257.64 and 1,426.23 is: 2,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.09 : 5,257.64 = 1,426.23 : x
  2. Step 2: Convert to fraction form
    3,505.09/5,257.64 = 1,426.23/x
  3. Step 3: Cross multiply
    3,505.09x = 5,257.64 × 1,426.23
  4. Step 4: Simplify right side
    3,505.09x = 7,498,603.90
  5. Step 5: Solve for x
    x = 7,498,603.90/3,505.09
  6. Step 6: Final answer
    x = 2,139.35

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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.