Home / 3,742.93-5,613.27-1,145.80

Finding the Fourth Proportional to 3,742.93, 5,613.27 and 1,145.80

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Solution

The fourth proportional to 3,742.93, 5,613.27 and 1,145.80 is: 1,718.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.93 : 5,613.27 = 1,145.80 : x
  2. Step 2: Convert to fraction form
    3,742.93/5,613.27 = 1,145.80/x
  3. Step 3: Cross multiply
    3,742.93x = 5,613.27 × 1,145.80
  4. Step 4: Simplify right side
    3,742.93x = 6,431,684.77
  5. Step 5: Solve for x
    x = 6,431,684.77/3,742.93
  6. Step 6: Final answer
    x = 1,718.36

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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.