Home / 2,206.83-3,045.86-1,310.77

Finding the Fourth Proportional to 2,206.83, 3,045.86 and 1,310.77

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Solution

The fourth proportional to 2,206.83, 3,045.86 and 1,310.77 is: 1,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.83 : 3,045.86 = 1,310.77 : x
  2. Step 2: Convert to fraction form
    2,206.83/3,045.86 = 1,310.77/x
  3. Step 3: Cross multiply
    2,206.83x = 3,045.86 × 1,310.77
  4. Step 4: Simplify right side
    2,206.83x = 3,992,421.91
  5. Step 5: Solve for x
    x = 3,992,421.91/2,206.83
  6. Step 6: Final answer
    x = 1,809.12

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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.