Home / 1,798.78-2,484.66-1,327.63

Finding the Fourth Proportional to 1,798.78, 2,484.66 and 1,327.63

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Solution

The fourth proportional to 1,798.78, 2,484.66 and 1,327.63 is: 1,833.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.78 : 2,484.66 = 1,327.63 : x
  2. Step 2: Convert to fraction form
    1,798.78/2,484.66 = 1,327.63/x
  3. Step 3: Cross multiply
    1,798.78x = 2,484.66 × 1,327.63
  4. Step 4: Simplify right side
    1,798.78x = 3,298,709.16
  5. Step 5: Solve for x
    x = 3,298,709.16/1,798.78
  6. Step 6: Final answer
    x = 1,833.86

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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.