Home / 1,171.04-1,606.48-1,151.60

Finding the Fourth Proportional to 1,171.04, 1,606.48 and 1,151.60

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Solution

The fourth proportional to 1,171.04, 1,606.48 and 1,151.60 is: 1,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171.04 : 1,606.48 = 1,151.60 : x
  2. Step 2: Convert to fraction form
    1,171.04/1,606.48 = 1,151.60/x
  3. Step 3: Cross multiply
    1,171.04x = 1,606.48 × 1,151.60
  4. Step 4: Simplify right side
    1,171.04x = 1,850,022.37
  5. Step 5: Solve for x
    x = 1,850,022.37/1,171.04
  6. Step 6: Final answer
    x = 1,579.81

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.