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Finding the Fourth Proportional to 2,905.56, 4,359.24 and 957.96

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Solution

The fourth proportional to 2,905.56, 4,359.24 and 957.96 is: 1,437.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.56 : 4,359.24 = 957.96 : x
  2. Step 2: Convert to fraction form
    2,905.56/4,359.24 = 957.96/x
  3. Step 3: Cross multiply
    2,905.56x = 4,359.24 × 957.96
  4. Step 4: Simplify right side
    2,905.56x = 4,175,977.55
  5. Step 5: Solve for x
    x = 4,175,977.55/2,905.56
  6. Step 6: Final answer
    x = 1,437.24

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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.