Home / 3,934.80-5,897.34-1,985.94

Finding the Fourth Proportional to 3,934.80, 5,897.34 and 1,985.94

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Solution

The fourth proportional to 3,934.80, 5,897.34 and 1,985.94 is: 2,976.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.80 : 5,897.34 = 1,985.94 : x
  2. Step 2: Convert to fraction form
    3,934.80/5,897.34 = 1,985.94/x
  3. Step 3: Cross multiply
    3,934.80x = 5,897.34 × 1,985.94
  4. Step 4: Simplify right side
    3,934.80x = 11,711,763.40
  5. Step 5: Solve for x
    x = 11,711,763.40/3,934.80
  6. Step 6: Final answer
    x = 2,976.46

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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.