Home / 1,891.13-2,609.64-1,051.83

Finding the Fourth Proportional to 1,891.13, 2,609.64 and 1,051.83

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Solution

The fourth proportional to 1,891.13, 2,609.64 and 1,051.83 is: 1,451.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.13 : 2,609.64 = 1,051.83 : x
  2. Step 2: Convert to fraction form
    1,891.13/2,609.64 = 1,051.83/x
  3. Step 3: Cross multiply
    1,891.13x = 2,609.64 × 1,051.83
  4. Step 4: Simplify right side
    1,891.13x = 2,744,897.64
  5. Step 5: Solve for x
    x = 2,744,897.64/1,891.13
  6. Step 6: Final answer
    x = 1,451.46

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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.