Home / 3,456.30-5,185.14-1,264.77

Finding the Fourth Proportional to 3,456.30, 5,185.14 and 1,264.77

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Solution

The fourth proportional to 3,456.30, 5,185.14 and 1,264.77 is: 1,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.30 : 5,185.14 = 1,264.77 : x
  2. Step 2: Convert to fraction form
    3,456.30/5,185.14 = 1,264.77/x
  3. Step 3: Cross multiply
    3,456.30x = 5,185.14 × 1,264.77
  4. Step 4: Simplify right side
    3,456.30x = 6,558,009.52
  5. Step 5: Solve for x
    x = 6,558,009.52/3,456.30
  6. Step 6: Final answer
    x = 1,897.41

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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.