Home / 2,923.85-4,386.59-1,536.86

Finding the Fourth Proportional to 2,923.85, 4,386.59 and 1,536.86

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Solution

The fourth proportional to 2,923.85, 4,386.59 and 1,536.86 is: 2,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.85 : 4,386.59 = 1,536.86 : x
  2. Step 2: Convert to fraction form
    2,923.85/4,386.59 = 1,536.86/x
  3. Step 3: Cross multiply
    2,923.85x = 4,386.59 × 1,536.86
  4. Step 4: Simplify right side
    2,923.85x = 6,741,545.09
  5. Step 5: Solve for x
    x = 6,741,545.09/2,923.85
  6. Step 6: Final answer
    x = 2,305.71

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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.