Home / 3,707.05-5,115.29-2,214.62

Finding the Fourth Proportional to 3,707.05, 5,115.29 and 2,214.62

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Solution

The fourth proportional to 3,707.05, 5,115.29 and 2,214.62 is: 3,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.05 : 5,115.29 = 2,214.62 : x
  2. Step 2: Convert to fraction form
    3,707.05/5,115.29 = 2,214.62/x
  3. Step 3: Cross multiply
    3,707.05x = 5,115.29 × 2,214.62
  4. Step 4: Simplify right side
    3,707.05x = 11,328,441.86
  5. Step 5: Solve for x
    x = 11,328,441.86/3,707.05
  6. Step 6: Final answer
    x = 3,055.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.