Home / 2,260.13-3,390.75-1,219.68

Finding the Fourth Proportional to 2,260.13, 3,390.75 and 1,219.68

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Solution

The fourth proportional to 2,260.13, 3,390.75 and 1,219.68 is: 1,829.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.13 : 3,390.75 = 1,219.68 : x
  2. Step 2: Convert to fraction form
    2,260.13/3,390.75 = 1,219.68/x
  3. Step 3: Cross multiply
    2,260.13x = 3,390.75 × 1,219.68
  4. Step 4: Simplify right side
    2,260.13x = 4,135,629.96
  5. Step 5: Solve for x
    x = 4,135,629.96/2,260.13
  6. Step 6: Final answer
    x = 1,829.82

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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.