Home / 1,653.22-2,473.35-1,191.88

Finding the Fourth Proportional to 1,653.22, 2,473.35 and 1,191.88

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Solution

The fourth proportional to 1,653.22, 2,473.35 and 1,191.88 is: 1,783.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653.22 : 2,473.35 = 1,191.88 : x
  2. Step 2: Convert to fraction form
    1,653.22/2,473.35 = 1,191.88/x
  3. Step 3: Cross multiply
    1,653.22x = 2,473.35 × 1,191.88
  4. Step 4: Simplify right side
    1,653.22x = 2,947,936.40
  5. Step 5: Solve for x
    x = 2,947,936.40/1,653.22
  6. Step 6: Final answer
    x = 1,783.15

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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.