Home / 1,783.52-2,461.44-1,120.88

Finding the Fourth Proportional to 1,783.52, 2,461.44 and 1,120.88

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Solution

The fourth proportional to 1,783.52, 2,461.44 and 1,120.88 is: 1,546.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783.52 : 2,461.44 = 1,120.88 : x
  2. Step 2: Convert to fraction form
    1,783.52/2,461.44 = 1,120.88/x
  3. Step 3: Cross multiply
    1,783.52x = 2,461.44 × 1,120.88
  4. Step 4: Simplify right side
    1,783.52x = 2,758,978.87
  5. Step 5: Solve for x
    x = 2,758,978.87/1,783.52
  6. Step 6: Final answer
    x = 1,546.93

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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.