Home / 3,743.63-5,613.46-1,145.87

Finding the Fourth Proportional to 3,743.63, 5,613.46 and 1,145.87

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Solution

The fourth proportional to 3,743.63, 5,613.46 and 1,145.87 is: 1,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.63 : 5,613.46 = 1,145.87 : x
  2. Step 2: Convert to fraction form
    3,743.63/5,613.46 = 1,145.87/x
  3. Step 3: Cross multiply
    3,743.63x = 5,613.46 × 1,145.87
  4. Step 4: Simplify right side
    3,743.63x = 6,432,295.41
  5. Step 5: Solve for x
    x = 6,432,295.41/3,743.63
  6. Step 6: Final answer
    x = 1,718.20

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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.