Home / 1,711.14-2,566.70-1,189.60

Finding the Fourth Proportional to 1,711.14, 2,566.70 and 1,189.60

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Solution

The fourth proportional to 1,711.14, 2,566.70 and 1,189.60 is: 1,784.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.14 : 2,566.70 = 1,189.60 : x
  2. Step 2: Convert to fraction form
    1,711.14/2,566.70 = 1,189.60/x
  3. Step 3: Cross multiply
    1,711.14x = 2,566.70 × 1,189.60
  4. Step 4: Simplify right side
    1,711.14x = 3,053,346.32
  5. Step 5: Solve for x
    x = 3,053,346.32/1,711.14
  6. Step 6: Final answer
    x = 1,784.39

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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.