Home / 3,788.16-5,680-1,476.96

Finding the Fourth Proportional to 3,788.16, 5,680 and 1,476.96

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Solution

The fourth proportional to 3,788.16, 5,680 and 1,476.96 is: 2,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.16 : 5,680 = 1,476.96 : x
  2. Step 2: Convert to fraction form
    3,788.16/5,680 = 1,476.96/x
  3. Step 3: Cross multiply
    3,788.16x = 5,680 × 1,476.96
  4. Step 4: Simplify right side
    3,788.16x = 8,389,132.80
  5. Step 5: Solve for x
    x = 8,389,132.80/3,788.16
  6. Step 6: Final answer
    x = 2,214.57

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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.