Home / 3,890.58-5,834.98-1,117.23

Finding the Fourth Proportional to 3,890.58, 5,834.98 and 1,117.23

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Solution

The fourth proportional to 3,890.58, 5,834.98 and 1,117.23 is: 1,675.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.58 : 5,834.98 = 1,117.23 : x
  2. Step 2: Convert to fraction form
    3,890.58/5,834.98 = 1,117.23/x
  3. Step 3: Cross multiply
    3,890.58x = 5,834.98 × 1,117.23
  4. Step 4: Simplify right side
    3,890.58x = 6,519,029.14
  5. Step 5: Solve for x
    x = 6,519,029.14/3,890.58
  6. Step 6: Final answer
    x = 1,675.59

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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.