Home / 1,677.49-2,516.22-1,181.86

Finding the Fourth Proportional to 1,677.49, 2,516.22 and 1,181.86

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Solution

The fourth proportional to 1,677.49, 2,516.22 and 1,181.86 is: 1,772.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.49 : 2,516.22 = 1,181.86 : x
  2. Step 2: Convert to fraction form
    1,677.49/2,516.22 = 1,181.86/x
  3. Step 3: Cross multiply
    1,677.49x = 2,516.22 × 1,181.86
  4. Step 4: Simplify right side
    1,677.49x = 2,973,813.48
  5. Step 5: Solve for x
    x = 2,973,813.48/1,677.49
  6. Step 6: Final answer
    x = 1,772.78

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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.