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Finding the Fourth Proportional to 2,707.97, 4,059.52 and 976.19

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Solution

The fourth proportional to 2,707.97, 4,059.52 and 976.19 is: 1,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.97 : 4,059.52 = 976.19 : x
  2. Step 2: Convert to fraction form
    2,707.97/4,059.52 = 976.19/x
  3. Step 3: Cross multiply
    2,707.97x = 4,059.52 × 976.19
  4. Step 4: Simplify right side
    2,707.97x = 3,962,840.09
  5. Step 5: Solve for x
    x = 3,962,840.09/2,707.97
  6. Step 6: Final answer
    x = 1,463.40

Related Problems

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Similar ratio
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1.5x scale

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.