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Finding the Fourth Proportional to 1,479.05, 2,214.65 and 893.27

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Solution

The fourth proportional to 1,479.05, 2,214.65 and 893.27 is: 1,337.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.05 : 2,214.65 = 893.27 : x
  2. Step 2: Convert to fraction form
    1,479.05/2,214.65 = 893.27/x
  3. Step 3: Cross multiply
    1,479.05x = 2,214.65 × 893.27
  4. Step 4: Simplify right side
    1,479.05x = 1,978,269.33
  5. Step 5: Solve for x
    x = 1,978,269.33/1,479.05
  6. Step 6: Final answer
    x = 1,337.53

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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.