Home / 3,404.16-4,720.32-3,340.80

Finding the Fourth Proportional to 3,404.16, 4,720.32 and 3,340.80

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Solution

The fourth proportional to 3,404.16, 4,720.32 and 3,340.80 is: 4,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.16 : 4,720.32 = 3,340.80 : x
  2. Step 2: Convert to fraction form
    3,404.16/4,720.32 = 3,340.80/x
  3. Step 3: Cross multiply
    3,404.16x = 4,720.32 × 3,340.80
  4. Step 4: Simplify right side
    3,404.16x = 15,769,645.06
  5. Step 5: Solve for x
    x = 15,769,645.06/3,404.16
  6. Step 6: Final answer
    x = 4,632.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.