Home / 3,053.58-4,210.98-2,107.86

Finding the Fourth Proportional to 3,053.58, 4,210.98 and 2,107.86

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Solution

The fourth proportional to 3,053.58, 4,210.98 and 2,107.86 is: 2,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,053.58 : 4,210.98 = 2,107.86 : x
  2. Step 2: Convert to fraction form
    3,053.58/4,210.98 = 2,107.86/x
  3. Step 3: Cross multiply
    3,053.58x = 4,210.98 × 2,107.86
  4. Step 4: Simplify right side
    3,053.58x = 8,876,156.30
  5. Step 5: Solve for x
    x = 8,876,156.30/3,053.58
  6. Step 6: Final answer
    x = 2,906.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.