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Finding the Fourth Proportional to 2,663.54, 3,675.84 and 1,484.64

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Solution

The fourth proportional to 2,663.54, 3,675.84 and 1,484.64 is: 2,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663.54 : 3,675.84 = 1,484.64 : x
  2. Step 2: Convert to fraction form
    2,663.54/3,675.84 = 1,484.64/x
  3. Step 3: Cross multiply
    2,663.54x = 3,675.84 × 1,484.64
  4. Step 4: Simplify right side
    2,663.54x = 5,457,299.10
  5. Step 5: Solve for x
    x = 5,457,299.10/2,663.54
  6. Step 6: Final answer
    x = 2,048.89

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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.