Home / 2,446.34-3,670.19-985.15

Finding the Fourth Proportional to 2,446.34, 3,670.19 and 985.15

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Solution

The fourth proportional to 2,446.34, 3,670.19 and 985.15 is: 1,478.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.34 : 3,670.19 = 985.15 : x
  2. Step 2: Convert to fraction form
    2,446.34/3,670.19 = 985.15/x
  3. Step 3: Cross multiply
    2,446.34x = 3,670.19 × 985.15
  4. Step 4: Simplify right side
    2,446.34x = 3,615,687.68
  5. Step 5: Solve for x
    x = 3,615,687.68/2,446.34
  6. Step 6: Final answer
    x = 1,478.00

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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.