Home / 1,260.51-1,889.37-1,077.34

Finding the Fourth Proportional to 1,260.51, 1,889.37 and 1,077.34

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Solution

The fourth proportional to 1,260.51, 1,889.37 and 1,077.34 is: 1,614.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.51 : 1,889.37 = 1,077.34 : x
  2. Step 2: Convert to fraction form
    1,260.51/1,889.37 = 1,077.34/x
  3. Step 3: Cross multiply
    1,260.51x = 1,889.37 × 1,077.34
  4. Step 4: Simplify right side
    1,260.51x = 2,035,493.88
  5. Step 5: Solve for x
    x = 2,035,493.88/1,260.51
  6. Step 6: Final answer
    x = 1,614.82

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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.