Home / 3,948.69-5,920.93-2,305.74

Finding the Fourth Proportional to 3,948.69, 5,920.93 and 2,305.74

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Solution

The fourth proportional to 3,948.69, 5,920.93 and 2,305.74 is: 3,457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.69 : 5,920.93 = 2,305.74 : x
  2. Step 2: Convert to fraction form
    3,948.69/5,920.93 = 2,305.74/x
  3. Step 3: Cross multiply
    3,948.69x = 5,920.93 × 2,305.74
  4. Step 4: Simplify right side
    3,948.69x = 13,652,125.14
  5. Step 5: Solve for x
    x = 13,652,125.14/3,948.69
  6. Step 6: Final answer
    x = 3,457.38

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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.