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Finding the Fourth Proportional to 1,798.11, 2,697.98 and 976.10

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Solution

The fourth proportional to 1,798.11, 2,697.98 and 976.10 is: 1,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.11 : 2,697.98 = 976.10 : x
  2. Step 2: Convert to fraction form
    1,798.11/2,697.98 = 976.10/x
  3. Step 3: Cross multiply
    1,798.11x = 2,697.98 × 976.10
  4. Step 4: Simplify right side
    1,798.11x = 2,633,479.91
  5. Step 5: Solve for x
    x = 2,633,479.91/1,798.11
  6. Step 6: Final answer
    x = 1,464.58

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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.