Home / 3,890.14-5,835.98-1,116.83

Finding the Fourth Proportional to 3,890.14, 5,835.98 and 1,116.83

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Solution

The fourth proportional to 3,890.14, 5,835.98 and 1,116.83 is: 1,675.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.14 : 5,835.98 = 1,116.83 : x
  2. Step 2: Convert to fraction form
    3,890.14/5,835.98 = 1,116.83/x
  3. Step 3: Cross multiply
    3,890.14x = 5,835.98 × 1,116.83
  4. Step 4: Simplify right side
    3,890.14x = 6,517,814.93
  5. Step 5: Solve for x
    x = 6,517,814.93/3,890.14
  6. Step 6: Final answer
    x = 1,675.47

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1.5x scale

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.