Home / 3,758.64-5,636.40-1,293.12

Finding the Fourth Proportional to 3,758.64, 5,636.40 and 1,293.12

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Solution

The fourth proportional to 3,758.64, 5,636.40 and 1,293.12 is: 1,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.64 : 5,636.40 = 1,293.12 : x
  2. Step 2: Convert to fraction form
    3,758.64/5,636.40 = 1,293.12/x
  3. Step 3: Cross multiply
    3,758.64x = 5,636.40 × 1,293.12
  4. Step 4: Simplify right side
    3,758.64x = 7,288,541.57
  5. Step 5: Solve for x
    x = 7,288,541.57/3,758.64
  6. Step 6: Final answer
    x = 1,939.14

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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.