Home / 3,617.45-5,426.12-1,020.38

Finding the Fourth Proportional to 3,617.45, 5,426.12 and 1,020.38

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Solution

The fourth proportional to 3,617.45, 5,426.12 and 1,020.38 is: 1,530.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.45 : 5,426.12 = 1,020.38 : x
  2. Step 2: Convert to fraction form
    3,617.45/5,426.12 = 1,020.38/x
  3. Step 3: Cross multiply
    3,617.45x = 5,426.12 × 1,020.38
  4. Step 4: Simplify right side
    3,617.45x = 5,536,672.09
  5. Step 5: Solve for x
    x = 5,536,672.09/3,617.45
  6. Step 6: Final answer
    x = 1,530.55

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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.