Home / 2,447.06-3,666.93-985.41

Finding the Fourth Proportional to 2,447.06, 3,666.93 and 985.41

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Solution

The fourth proportional to 2,447.06, 3,666.93 and 985.41 is: 1,476.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.06 : 3,666.93 = 985.41 : x
  2. Step 2: Convert to fraction form
    2,447.06/3,666.93 = 985.41/x
  3. Step 3: Cross multiply
    2,447.06x = 3,666.93 × 985.41
  4. Step 4: Simplify right side
    2,447.06x = 3,613,429.49
  5. Step 5: Solve for x
    x = 3,613,429.49/2,447.06
  6. Step 6: Final answer
    x = 1,476.64

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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.