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Finding the Fourth Proportional to 2,306.46, 3,460.02 and 845.46

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Solution

The fourth proportional to 2,306.46, 3,460.02 and 845.46 is: 1,268.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.46 : 3,460.02 = 845.46 : x
  2. Step 2: Convert to fraction form
    2,306.46/3,460.02 = 845.46/x
  3. Step 3: Cross multiply
    2,306.46x = 3,460.02 × 845.46
  4. Step 4: Simplify right side
    2,306.46x = 2,925,308.51
  5. Step 5: Solve for x
    x = 2,925,308.51/2,306.46
  6. Step 6: Final answer
    x = 1,268.31

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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.