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Finding the Fourth Proportional to 1,516.88, 2,093.64 and 896.24

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Solution

The fourth proportional to 1,516.88, 2,093.64 and 896.24 is: 1,237.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.88 : 2,093.64 = 896.24 : x
  2. Step 2: Convert to fraction form
    1,516.88/2,093.64 = 896.24/x
  3. Step 3: Cross multiply
    1,516.88x = 2,093.64 × 896.24
  4. Step 4: Simplify right side
    1,516.88x = 1,876,403.91
  5. Step 5: Solve for x
    x = 1,876,403.91/1,516.88
  6. Step 6: Final answer
    x = 1,237.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.