Home / 4,171.68-5,756.40-2,309.04

Finding the Fourth Proportional to 4,171.68, 5,756.40 and 2,309.04

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Solution

The fourth proportional to 4,171.68, 5,756.40 and 2,309.04 is: 3,186.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.68 : 5,756.40 = 2,309.04 : x
  2. Step 2: Convert to fraction form
    4,171.68/5,756.40 = 2,309.04/x
  3. Step 3: Cross multiply
    4,171.68x = 5,756.40 × 2,309.04
  4. Step 4: Simplify right side
    4,171.68x = 13,291,757.86
  5. Step 5: Solve for x
    x = 13,291,757.86/4,171.68
  6. Step 6: Final answer
    x = 3,186.19

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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.