Home / 3,782.10-5,673.16-1,149.63

Finding the Fourth Proportional to 3,782.10, 5,673.16 and 1,149.63

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Solution

The fourth proportional to 3,782.10, 5,673.16 and 1,149.63 is: 1,724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.10 : 5,673.16 = 1,149.63 : x
  2. Step 2: Convert to fraction form
    3,782.10/5,673.16 = 1,149.63/x
  3. Step 3: Cross multiply
    3,782.10x = 5,673.16 × 1,149.63
  4. Step 4: Simplify right side
    3,782.10x = 6,522,034.93
  5. Step 5: Solve for x
    x = 6,522,034.93/3,782.10
  6. Step 6: Final answer
    x = 1,724.45

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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.