Home / 2,671.18-4,006.77-1,111.15

Finding the Fourth Proportional to 2,671.18, 4,006.77 and 1,111.15

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Solution

The fourth proportional to 2,671.18, 4,006.77 and 1,111.15 is: 1,666.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.18 : 4,006.77 = 1,111.15 : x
  2. Step 2: Convert to fraction form
    2,671.18/4,006.77 = 1,111.15/x
  3. Step 3: Cross multiply
    2,671.18x = 4,006.77 × 1,111.15
  4. Step 4: Simplify right side
    2,671.18x = 4,452,123.33
  5. Step 5: Solve for x
    x = 4,452,123.33/2,671.18
  6. Step 6: Final answer
    x = 1,666.73

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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.