Home / 3,617.51-5,425.97-1,426.23

Finding the Fourth Proportional to 3,617.51, 5,425.97 and 1,426.23

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Solution

The fourth proportional to 3,617.51, 5,425.97 and 1,426.23 is: 2,139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.51 : 5,425.97 = 1,426.23 : x
  2. Step 2: Convert to fraction form
    3,617.51/5,425.97 = 1,426.23/x
  3. Step 3: Cross multiply
    3,617.51x = 5,425.97 × 1,426.23
  4. Step 4: Simplify right side
    3,617.51x = 7,738,674.06
  5. Step 5: Solve for x
    x = 7,738,674.06/3,617.51
  6. Step 6: Final answer
    x = 2,139.23

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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.