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Finding the Fourth Proportional to 3,677.32, 5,516.02 and 903.98

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Solution

The fourth proportional to 3,677.32, 5,516.02 and 903.98 is: 1,355.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.32 : 5,516.02 = 903.98 : x
  2. Step 2: Convert to fraction form
    3,677.32/5,516.02 = 903.98/x
  3. Step 3: Cross multiply
    3,677.32x = 5,516.02 × 903.98
  4. Step 4: Simplify right side
    3,677.32x = 4,986,371.76
  5. Step 5: Solve for x
    x = 4,986,371.76/3,677.32
  6. Step 6: Final answer
    x = 1,355.98

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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.