Home / 3,629.49-5,011.56-2,919.05

Finding the Fourth Proportional to 3,629.49, 5,011.56 and 2,919.05

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Solution

The fourth proportional to 3,629.49, 5,011.56 and 2,919.05 is: 4,030.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.49 : 5,011.56 = 2,919.05 : x
  2. Step 2: Convert to fraction form
    3,629.49/5,011.56 = 2,919.05/x
  3. Step 3: Cross multiply
    3,629.49x = 5,011.56 × 2,919.05
  4. Step 4: Simplify right side
    3,629.49x = 14,628,969.16
  5. Step 5: Solve for x
    x = 14,628,969.16/3,629.49
  6. Step 6: Final answer
    x = 4,030.59

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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.