Home / 2,829.87-4,240.46-1,185.51

Finding the Fourth Proportional to 2,829.87, 4,240.46 and 1,185.51

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Solution

The fourth proportional to 2,829.87, 4,240.46 and 1,185.51 is: 1,776.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.87 : 4,240.46 = 1,185.51 : x
  2. Step 2: Convert to fraction form
    2,829.87/4,240.46 = 1,185.51/x
  3. Step 3: Cross multiply
    2,829.87x = 4,240.46 × 1,185.51
  4. Step 4: Simplify right side
    2,829.87x = 5,027,101.81
  5. Step 5: Solve for x
    x = 5,027,101.81/2,829.87
  6. Step 6: Final answer
    x = 1,776.44

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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.