Home / 2,039.60-2,814.54-1,155.56

Finding the Fourth Proportional to 2,039.60, 2,814.54 and 1,155.56

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Solution

The fourth proportional to 2,039.60, 2,814.54 and 1,155.56 is: 1,594.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.60 : 2,814.54 = 1,155.56 : x
  2. Step 2: Convert to fraction form
    2,039.60/2,814.54 = 1,155.56/x
  3. Step 3: Cross multiply
    2,039.60x = 2,814.54 × 1,155.56
  4. Step 4: Simplify right side
    2,039.60x = 3,252,369.84
  5. Step 5: Solve for x
    x = 3,252,369.84/2,039.60
  6. Step 6: Final answer
    x = 1,594.61

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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.