Home / 3,943.14-5,917.77-1,480.20

Finding the Fourth Proportional to 3,943.14, 5,917.77 and 1,480.20

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Solution

The fourth proportional to 3,943.14, 5,917.77 and 1,480.20 is: 2,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.14 : 5,917.77 = 1,480.20 : x
  2. Step 2: Convert to fraction form
    3,943.14/5,917.77 = 1,480.20/x
  3. Step 3: Cross multiply
    3,943.14x = 5,917.77 × 1,480.20
  4. Step 4: Simplify right side
    3,943.14x = 8,759,483.15
  5. Step 5: Solve for x
    x = 8,759,483.15/3,943.14
  6. Step 6: Final answer
    x = 2,221.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.