Home / 3,810.54-5,715.82-1,617.72

Finding the Fourth Proportional to 3,810.54, 5,715.82 and 1,617.72

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Solution

The fourth proportional to 3,810.54, 5,715.82 and 1,617.72 is: 2,426.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.54 : 5,715.82 = 1,617.72 : x
  2. Step 2: Convert to fraction form
    3,810.54/5,715.82 = 1,617.72/x
  3. Step 3: Cross multiply
    3,810.54x = 5,715.82 × 1,617.72
  4. Step 4: Simplify right side
    3,810.54x = 9,246,596.33
  5. Step 5: Solve for x
    x = 9,246,596.33/3,810.54
  6. Step 6: Final answer
    x = 2,426.58

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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.