Home / 1,751.13-2,416.86-1,226.79

Finding the Fourth Proportional to 1,751.13, 2,416.86 and 1,226.79

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Solution

The fourth proportional to 1,751.13, 2,416.86 and 1,226.79 is: 1,693.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.13 : 2,416.86 = 1,226.79 : x
  2. Step 2: Convert to fraction form
    1,751.13/2,416.86 = 1,226.79/x
  3. Step 3: Cross multiply
    1,751.13x = 2,416.86 × 1,226.79
  4. Step 4: Simplify right side
    1,751.13x = 2,964,979.68
  5. Step 5: Solve for x
    x = 2,964,979.68/1,751.13
  6. Step 6: Final answer
    x = 1,693.18

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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.