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Finding the Fourth Proportional to 1,523.08, 2,101.86 and 893.98

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Solution

The fourth proportional to 1,523.08, 2,101.86 and 893.98 is: 1,233.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.08 : 2,101.86 = 893.98 : x
  2. Step 2: Convert to fraction form
    1,523.08/2,101.86 = 893.98/x
  3. Step 3: Cross multiply
    1,523.08x = 2,101.86 × 893.98
  4. Step 4: Simplify right side
    1,523.08x = 1,879,020.80
  5. Step 5: Solve for x
    x = 1,879,020.80/1,523.08
  6. Step 6: Final answer
    x = 1,233.70

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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.