Home / 1,944.42-2,917.12-557.87

Finding the Fourth Proportional to 1,944.42, 2,917.12 and 557.87

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Solution

The fourth proportional to 1,944.42, 2,917.12 and 557.87 is: 836.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.42 : 2,917.12 = 557.87 : x
  2. Step 2: Convert to fraction form
    1,944.42/2,917.12 = 557.87/x
  3. Step 3: Cross multiply
    1,944.42x = 2,917.12 × 557.87
  4. Step 4: Simplify right side
    1,944.42x = 1,627,379.63
  5. Step 5: Solve for x
    x = 1,627,379.63/1,944.42
  6. Step 6: Final answer
    x = 836.95

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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.