Home / 2,019.08-2,786.98-1,180.36

Finding the Fourth Proportional to 2,019.08, 2,786.98 and 1,180.36

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Solution

The fourth proportional to 2,019.08, 2,786.98 and 1,180.36 is: 1,629.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.08 : 2,786.98 = 1,180.36 : x
  2. Step 2: Convert to fraction form
    2,019.08/2,786.98 = 1,180.36/x
  3. Step 3: Cross multiply
    2,019.08x = 2,786.98 × 1,180.36
  4. Step 4: Simplify right side
    2,019.08x = 3,289,639.71
  5. Step 5: Solve for x
    x = 3,289,639.71/2,019.08
  6. Step 6: Final answer
    x = 1,629.28

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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.