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Finding the Fourth Proportional to 1,592.50, 2,197.65 and 893.89

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Solution

The fourth proportional to 1,592.50, 2,197.65 and 893.89 is: 1,233.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.50 : 2,197.65 = 893.89 : x
  2. Step 2: Convert to fraction form
    1,592.50/2,197.65 = 893.89/x
  3. Step 3: Cross multiply
    1,592.50x = 2,197.65 × 893.89
  4. Step 4: Simplify right side
    1,592.50x = 1,964,457.36
  5. Step 5: Solve for x
    x = 1,964,457.36/1,592.50
  6. Step 6: Final answer
    x = 1,233.57

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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.