Home / 1,548.09-2,134.76-1,076.54

Finding the Fourth Proportional to 1,548.09, 2,134.76 and 1,076.54

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Solution

The fourth proportional to 1,548.09, 2,134.76 and 1,076.54 is: 1,484.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.09 : 2,134.76 = 1,076.54 : x
  2. Step 2: Convert to fraction form
    1,548.09/2,134.76 = 1,076.54/x
  3. Step 3: Cross multiply
    1,548.09x = 2,134.76 × 1,076.54
  4. Step 4: Simplify right side
    1,548.09x = 2,298,138.47
  5. Step 5: Solve for x
    x = 2,298,138.47/1,548.09
  6. Step 6: Final answer
    x = 1,484.50

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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.