Home / 1,777.26-2,665.93-1,412.31

Finding the Fourth Proportional to 1,777.26, 2,665.93 and 1,412.31

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Solution

The fourth proportional to 1,777.26, 2,665.93 and 1,412.31 is: 2,118.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777.26 : 2,665.93 = 1,412.31 : x
  2. Step 2: Convert to fraction form
    1,777.26/2,665.93 = 1,412.31/x
  3. Step 3: Cross multiply
    1,777.26x = 2,665.93 × 1,412.31
  4. Step 4: Simplify right side
    1,777.26x = 3,765,106.27
  5. Step 5: Solve for x
    x = 3,765,106.27/1,777.26
  6. Step 6: Final answer
    x = 2,118.49

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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.