Home / 4,129.28-5,697.40-2,336.80

Finding the Fourth Proportional to 4,129.28, 5,697.40 and 2,336.80

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Solution

The fourth proportional to 4,129.28, 5,697.40 and 2,336.80 is: 3,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.28 : 5,697.40 = 2,336.80 : x
  2. Step 2: Convert to fraction form
    4,129.28/5,697.40 = 2,336.80/x
  3. Step 3: Cross multiply
    4,129.28x = 5,697.40 × 2,336.80
  4. Step 4: Simplify right side
    4,129.28x = 13,313,684.32
  5. Step 5: Solve for x
    x = 13,313,684.32/4,129.28
  6. Step 6: Final answer
    x = 3,224.21

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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.