Home / 1,677.48-2,516.27-445.02

Finding the Fourth Proportional to 1,677.48, 2,516.27 and 445.02

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Solution

The fourth proportional to 1,677.48, 2,516.27 and 445.02 is: 667.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.48 : 2,516.27 = 445.02 : x
  2. Step 2: Convert to fraction form
    1,677.48/2,516.27 = 445.02/x
  3. Step 3: Cross multiply
    1,677.48x = 2,516.27 × 445.02
  4. Step 4: Simplify right side
    1,677.48x = 1,119,790.48
  5. Step 5: Solve for x
    x = 1,119,790.48/1,677.48
  6. Step 6: Final answer
    x = 667.54

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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.