Home / 2,879.14-4,312.77-2,671.54

Finding the Fourth Proportional to 2,879.14, 4,312.77 and 2,671.54

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Solution

The fourth proportional to 2,879.14, 4,312.77 and 2,671.54 is: 4,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.14 : 4,312.77 = 2,671.54 : x
  2. Step 2: Convert to fraction form
    2,879.14/4,312.77 = 2,671.54/x
  3. Step 3: Cross multiply
    2,879.14x = 4,312.77 × 2,671.54
  4. Step 4: Simplify right side
    2,879.14x = 11,521,737.57
  5. Step 5: Solve for x
    x = 11,521,737.57/2,879.14
  6. Step 6: Final answer
    x = 4,001.80

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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.