Home / 2,206.13-3,310.40-1,051.88

Finding the Fourth Proportional to 2,206.13, 3,310.40 and 1,051.88

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Solution

The fourth proportional to 2,206.13, 3,310.40 and 1,051.88 is: 1,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.13 : 3,310.40 = 1,051.88 : x
  2. Step 2: Convert to fraction form
    2,206.13/3,310.40 = 1,051.88/x
  3. Step 3: Cross multiply
    2,206.13x = 3,310.40 × 1,051.88
  4. Step 4: Simplify right side
    2,206.13x = 3,482,129.63
  5. Step 5: Solve for x
    x = 3,482,129.63/2,206.13
  6. Step 6: Final answer
    x = 1,578.39

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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.