Home / 2,569.78-3,548.01-1,731.73

Finding the Fourth Proportional to 2,569.78, 3,548.01 and 1,731.73

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Solution

The fourth proportional to 2,569.78, 3,548.01 and 1,731.73 is: 2,390.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.78 : 3,548.01 = 1,731.73 : x
  2. Step 2: Convert to fraction form
    2,569.78/3,548.01 = 1,731.73/x
  3. Step 3: Cross multiply
    2,569.78x = 3,548.01 × 1,731.73
  4. Step 4: Simplify right side
    2,569.78x = 6,144,195.36
  5. Step 5: Solve for x
    x = 6,144,195.36/2,569.78
  6. Step 6: Final answer
    x = 2,390.94

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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.