Home / 2,009.46-2,772.29-1,536.86

Finding the Fourth Proportional to 2,009.46, 2,772.29 and 1,536.86

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Solution

The fourth proportional to 2,009.46, 2,772.29 and 1,536.86 is: 2,120.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.46 : 2,772.29 = 1,536.86 : x
  2. Step 2: Convert to fraction form
    2,009.46/2,772.29 = 1,536.86/x
  3. Step 3: Cross multiply
    2,009.46x = 2,772.29 × 1,536.86
  4. Step 4: Simplify right side
    2,009.46x = 4,260,616.79
  5. Step 5: Solve for x
    x = 4,260,616.79/2,009.46
  6. Step 6: Final answer
    x = 2,120.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.