Home / 3,585.69-5,375.28-1,276.65

Finding the Fourth Proportional to 3,585.69, 5,375.28 and 1,276.65

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Solution

The fourth proportional to 3,585.69, 5,375.28 and 1,276.65 is: 1,913.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.69 : 5,375.28 = 1,276.65 : x
  2. Step 2: Convert to fraction form
    3,585.69/5,375.28 = 1,276.65/x
  3. Step 3: Cross multiply
    3,585.69x = 5,375.28 × 1,276.65
  4. Step 4: Simplify right side
    3,585.69x = 6,862,351.21
  5. Step 5: Solve for x
    x = 6,862,351.21/3,585.69
  6. Step 6: Final answer
    x = 1,913.82

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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.