Home / 1,783.65-2,459.05-1,251.82

Finding the Fourth Proportional to 1,783.65, 2,459.05 and 1,251.82

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Solution

The fourth proportional to 1,783.65, 2,459.05 and 1,251.82 is: 1,725.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783.65 : 2,459.05 = 1,251.82 : x
  2. Step 2: Convert to fraction form
    1,783.65/2,459.05 = 1,251.82/x
  3. Step 3: Cross multiply
    1,783.65x = 2,459.05 × 1,251.82
  4. Step 4: Simplify right side
    1,783.65x = 3,078,287.97
  5. Step 5: Solve for x
    x = 3,078,287.97/1,783.65
  6. Step 6: Final answer
    x = 1,725.84

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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.