Home / 2,306.30-3,460.80-845.60

Finding the Fourth Proportional to 2,306.30, 3,460.80 and 845.60

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Solution

The fourth proportional to 2,306.30, 3,460.80 and 845.60 is: 1,268.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.30 : 3,460.80 = 845.60 : x
  2. Step 2: Convert to fraction form
    2,306.30/3,460.80 = 845.60/x
  3. Step 3: Cross multiply
    2,306.30x = 3,460.80 × 845.60
  4. Step 4: Simplify right side
    2,306.30x = 2,926,452.48
  5. Step 5: Solve for x
    x = 2,926,452.48/2,306.30
  6. Step 6: Final answer
    x = 1,268.89

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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.