Home / 3,709.04-5,091.68-3,184.16

Finding the Fourth Proportional to 3,709.04, 5,091.68 and 3,184.16

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Solution

The fourth proportional to 3,709.04, 5,091.68 and 3,184.16 is: 4,371.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.04 : 5,091.68 = 3,184.16 : x
  2. Step 2: Convert to fraction form
    3,709.04/5,091.68 = 3,184.16/x
  3. Step 3: Cross multiply
    3,709.04x = 5,091.68 × 3,184.16
  4. Step 4: Simplify right side
    3,709.04x = 16,212,723.79
  5. Step 5: Solve for x
    x = 16,212,723.79/3,709.04
  6. Step 6: Final answer
    x = 4,371.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.