Home / 1,370.83-2,056.25-1,165.09

Finding the Fourth Proportional to 1,370.83, 2,056.25 and 1,165.09

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Solution

The fourth proportional to 1,370.83, 2,056.25 and 1,165.09 is: 1,747.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370.83 : 2,056.25 = 1,165.09 : x
  2. Step 2: Convert to fraction form
    1,370.83/2,056.25 = 1,165.09/x
  3. Step 3: Cross multiply
    1,370.83x = 2,056.25 × 1,165.09
  4. Step 4: Simplify right side
    1,370.83x = 2,395,716.31
  5. Step 5: Solve for x
    x = 2,395,716.31/1,370.83
  6. Step 6: Final answer
    x = 1,747.64

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Similar ratio
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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.