Home / 3,723.90-5,585.68-1,126.76

Finding the Fourth Proportional to 3,723.90, 5,585.68 and 1,126.76

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Solution

The fourth proportional to 3,723.90, 5,585.68 and 1,126.76 is: 1,690.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.90 : 5,585.68 = 1,126.76 : x
  2. Step 2: Convert to fraction form
    3,723.90/5,585.68 = 1,126.76/x
  3. Step 3: Cross multiply
    3,723.90x = 5,585.68 × 1,126.76
  4. Step 4: Simplify right side
    3,723.90x = 6,293,720.80
  5. Step 5: Solve for x
    x = 6,293,720.80/3,723.90
  6. Step 6: Final answer
    x = 1,690.09

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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.