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Finding the Fourth Proportional to 2,964.79, 4,451.24 and 1,907.74

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Solution

The fourth proportional to 2,964.79, 4,451.24 and 1,907.74 is: 2,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.79 : 4,451.24 = 1,907.74 : x
  2. Step 2: Convert to fraction form
    2,964.79/4,451.24 = 1,907.74/x
  3. Step 3: Cross multiply
    2,964.79x = 4,451.24 × 1,907.74
  4. Step 4: Simplify right side
    2,964.79x = 8,491,808.60
  5. Step 5: Solve for x
    x = 8,491,808.60/2,964.79
  6. Step 6: Final answer
    x = 2,864.22

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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.