Home / 1,379.51-2,057.96-1,341.84

Finding the Fourth Proportional to 1,379.51, 2,057.96 and 1,341.84

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Solution

The fourth proportional to 1,379.51, 2,057.96 and 1,341.84 is: 2,001.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379.51 : 2,057.96 = 1,341.84 : x
  2. Step 2: Convert to fraction form
    1,379.51/2,057.96 = 1,341.84/x
  3. Step 3: Cross multiply
    1,379.51x = 2,057.96 × 1,341.84
  4. Step 4: Simplify right side
    1,379.51x = 2,761,450.78
  5. Step 5: Solve for x
    x = 2,761,450.78/1,379.51
  6. Step 6: Final answer
    x = 2,001.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.