Home / 3,925.90-5,889.66-1,705.69

Finding the Fourth Proportional to 3,925.90, 5,889.66 and 1,705.69

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Solution

The fourth proportional to 3,925.90, 5,889.66 and 1,705.69 is: 2,558.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.90 : 5,889.66 = 1,705.69 : x
  2. Step 2: Convert to fraction form
    3,925.90/5,889.66 = 1,705.69/x
  3. Step 3: Cross multiply
    3,925.90x = 5,889.66 × 1,705.69
  4. Step 4: Simplify right side
    3,925.90x = 10,045,934.17
  5. Step 5: Solve for x
    x = 10,045,934.17/3,925.90
  6. Step 6: Final answer
    x = 2,558.89

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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.