Home / 2,276.34-3,411.98-2,091.80

Finding the Fourth Proportional to 2,276.34, 3,411.98 and 2,091.80

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Solution

The fourth proportional to 2,276.34, 3,411.98 and 2,091.80 is: 3,135.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.34 : 3,411.98 = 2,091.80 : x
  2. Step 2: Convert to fraction form
    2,276.34/3,411.98 = 2,091.80/x
  3. Step 3: Cross multiply
    2,276.34x = 3,411.98 × 2,091.80
  4. Step 4: Simplify right side
    2,276.34x = 7,137,152.25
  5. Step 5: Solve for x
    x = 7,137,152.25/2,276.34
  6. Step 6: Final answer
    x = 3,135.36

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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.