Home / 2,019.13-2,785.90-1,179.36

Finding the Fourth Proportional to 2,019.13, 2,785.90 and 1,179.36

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Solution

The fourth proportional to 2,019.13, 2,785.90 and 1,179.36 is: 1,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.13 : 2,785.90 = 1,179.36 : x
  2. Step 2: Convert to fraction form
    2,019.13/2,785.90 = 1,179.36/x
  3. Step 3: Cross multiply
    2,019.13x = 2,785.90 × 1,179.36
  4. Step 4: Simplify right side
    2,019.13x = 3,285,579.02
  5. Step 5: Solve for x
    x = 3,285,579.02/2,019.13
  6. Step 6: Final answer
    x = 1,627.23

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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.