Home / 3,985.54-5,502.52-2,569.92

Finding the Fourth Proportional to 3,985.54, 5,502.52 and 2,569.92

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Solution

The fourth proportional to 3,985.54, 5,502.52 and 2,569.92 is: 3,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.54 : 5,502.52 = 2,569.92 : x
  2. Step 2: Convert to fraction form
    3,985.54/5,502.52 = 2,569.92/x
  3. Step 3: Cross multiply
    3,985.54x = 5,502.52 × 2,569.92
  4. Step 4: Simplify right side
    3,985.54x = 14,141,036.20
  5. Step 5: Solve for x
    x = 14,141,036.20/3,985.54
  6. Step 6: Final answer
    x = 3,548.09

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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.